Focus scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

System and method for effective planning, visualization, and optimization of dental restorations

A method for planning, visualizing, and/or optimizing dental restoration on the pre-prepared teeth of a patient. The method includes obtaining 3D digital models of the pre-prepared teeth and the prepared teeth, and aligning these 3D models. A CAD model of a dental restoration for the prepared teeth is designed based on the 3D digital model of the pre-prepared teeth.

Dynamic virtual articulator for simulating occlusion of teeth

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.

SYSTEM AND METHOD FOR EFFECTIVE PLANNING, VISUALIZATION, AND OPTIMIZATION OF DENTAL RESTORATIONS

Disclosed is a method for planning, visualizing, and/or optimizing dental restoration on at least a part of the pre-prepared teeth of a patient, wherein said method comprises the steps of: providing at least one 3D digital model of at least a part of the pre-prepared teeth; designing at least one dental restoration CAD model based on the 3D digital model of at least a part of the pre-prepared teeth; providing at least one 3D digital model of at least a part of the prepared teeth, where the prepared teeth are provided by preparing the pre-prepared teeth by dental restorative work, at least partly based on the dental restoration CAD model; and aligning the 3D models of the pre-prepared and the prepared teeth.

Method for manufacturing a denture

There is disclosed a method for manufacturing a denture comprising an artificial gingiva surface, a seating surface facing at least a part of the gingiva surface when placed in the mouth of a patient, at least one tooth receiving hole provided in the artificial gingiva surface and extending through to the seating surface and an artificial tooth arranged in the tooth receiving hole, The method comprises printing an intermediate denture base comprising the artificial gingiva surface, the at least one tooth receiving hole for receiving the artificial tooth, arranging the artificial tooth in the at least one tooth receiving hole, fixing the intermediate denture base in a milling machine, and milling the denture comprising providing the seating surface by removing at least a part of the tooth extending through the tooth receiving hole. This provides an improved manufacturing process of denture.

Visualising a 3D dental restoration on a 2D image

A method for visualizing a 3D dental restoration on a 2D image of the mouth of a patient, the method including obtaining a 3D dental model of at least a part of the patient's oral cavity, designing the 3D dental restoration, obtaining the 2D image of the mouth of the patient, estimating a virtual camera comprising at least one virtual camera property corresponding to at least one physical camera property of the physical camera used to obtain the 2D image, viewing the 3D dental restoration using the virtual camera, determining the visible area of the 3D dental restoration, which is not overlapped by surrounding anatomic features when viewed with the virtual camera, imaging the visible area of the 3D dental restoration with the 2D image. This provides an image which with high accuracy gives the dentist and the patient a visual presentation of the final result of a dental treatment.

DUAL-RESOLUTION 3D SCANNER AND METHOD OF USING

A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface. 1. A 3D scanner system for scanning a surface of an object , said 3D scanner system comprising:a scanning device capable of recording a first data set of the surface when operating in a first configuration and recording a second data set of the surface when operating in a second configuration;a distance measurement unit configured for measuring a distance from the scanning device to the surface of the object;a control unit configured to control an operation of the scanning device based on the distance measured by the distance measurement unit; anda data processing unit configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.2. The 3D scanner system according to claim 1 , wherein the scanning device in the first configuration records geometrical information for a larger area of the surface than in the second configuration.3. The 3D scanner system according to claim 1 , wherein the scanning device is operated in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device is ...

Intraoral scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Modeling and manufacturing of dentures

A method for creating a digital model of a denture for a patient, where the denture includes a gingival part and artificial teeth, includes obtaining digital models of artificial teeth representing the artificial teeth; obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva; digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth; digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; and digitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth.

SCANNER WITH FEEDBACK CONTROL

The present invention relates to non-contact optical scanning of an object for generation of a three-dimensional surface model of the scanned object. In particular the invention relates to a scanner for obtaining the three-dimensional geometry of at least a part of the surface of an object, said scanner comprising: at least one light source, preferably a laser light source with adjustable power, projection means for directing light from the at least one light source to a moving spot on the surface of the object, at least one image sensor adapted to record at least one image of at least a part of the surface, detection means, other than the at least one image sensor, for monitoring at least a part of the light reflected from the surface, regulation means for adjusting the intensity of the at least one light source based on the amount of light reflected from the surface, andmeans for transforming the at least one image to a three-dimensional model of the surface.

Detecting tooth shade

A method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation includes shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.

Impression scanning for manufacturing of dental restorations

The present invention relates to a method for obtaining an accurate three-dimensional model of a dental impression, said method comprising the steps of, scanning at least a part of an upper jaw impression and/or a lower jaw impression, obtaining an impression scan, evaluating the quality of the impression scan, and use the impression scan to obtain a three-dimensional model, thereby obtaining an accurate three-dimensional model of the dental impression.

OBJECT FEEDER SYSTEM

Disclosed is an object feeder system configured for arrangement in a three dimensional scanner, the system comprising: an object feeder scanning plate assembly comprising a number of tracks, wherein each track adapted to hold at least one object holder, wherein said tracks are configured to extend within the plate assembly from a parking area towards a scanning area, and where each object holder is configured for retaining an object to be scanned in the scanner for obtaining a three dimensional representation of the object, and wherein the object feeder system further comprises means for moving the at least one object holder in the at least one track.

CUSTOMISED DENTAL ABUTMENT FORMED OF TWO CUSTOMISED PARTS

Disclosed is a dental prosthesis including an implant, a customised abutment, a restoration and an implant screw for securing the customised abutment to the implant, wherein the implant includes a screw bore extending from a first end of the implant for receiving at last a part of the implant screw, the customised abutment includes a through-going bore for receiving at least a part of the implant screw, the screw bore and the through-going bore are coaxially aligned along an implant axis when the implant screw is arranged in the screw and through-going bore, the abutment includes a customised abutment base and a customised abutment top where the customised abutment base and the customised abutment top defines an assembly axis along which they were assembled during manufacturing, where the implant axis is different from the assembly axis. 1. A method for designing a virtual model of a customised abutment for use in designing a virtual dental prosthetic comprising the customised abutment , an implant and a restoration , the method comprising:obtaining a digital data set representing a dental situation of a patient comprising information on implant type, position and orientation along an implant axis,designing a customised abutment by designing an implant surface for contact to the implant along the implant axis and a restoration surface for contact to a restoration, where an emergence profile of the abutment is designed which separate the implant surface and the restoration surface,splitting the customised abutment into a customised abutment base, which is suited to be arranged adjacent to the implant, and a customised abutment top adjacent the customised abutment base, where the customised abutment base and the customised abutment top extends along an abutment axis.2. The method according to claim 1 , wherein the abutment axis forms an assembly axis along which the customised abutment top and the customised abutment base are adapted to be assembled during ...

3D system and method for guiding objects

An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.

Method for providing a dental prosthesis and a positioning guide for placing the dental prosthesis

A method for designing a dental prosthesis and a positioning guide for placing the dental prosthesis on implants in the jaw while maintaining proper occlusion relates to designing the dental prosthesis and the positioning guide prior to implant placement.

Modeling and manufacturing of dentures

Disclosed is a method for modeling and manufacturing a denture for a patient, where the denture comprises a gingival part and artificial teeth, wherein the method comprises: providing a 3D scan comprising at least part of the patient's oral cavity; virtually modeling at least part of the denture using the 3D scan; obtaining virtual teeth to represent the artificial teeth; virtually modeling at least one of the virtual teeth to obtain a set of modeled virtual teeth; manufacturing the modeled virtual teeth in a first material; manufacturing the gingival part in a second material; and manufacturing at least part of the denture by means of computer aided manufacturing (CAM).

Object feeder system

Disclosed is an object feeder system configured for arrangement in a three dimensional scanner, the system comprising: an object feeder scanning plate assembly comprising a number of tracks, wherein each track adapted to hold at least one object holder, wherein said tracks are configured to extend within the plate assembly from a parking area towards a scanning area, and where each object holder is configured for retaining an object to be scanned in the scanner for obtaining a three dimensional representation of the object, and wherein the object feeder system further comprises means for moving the at least one object holder in the at least one track.

Method for modeling customized earpieces

The present invention relates to a method for computer-controlled modelling of customised earpieces. These earpieces include housings for hearing aids, wireless or connected communication devices (headsets, mobile phones, personal agents), loud speakers, tinnitus masking devices, devices recording vibrations in the skull and transforming these into audio signals, voice recognition devices, earplugs, noise blockers with selective frequencies or sound levels, Man Machine Interface (MMI) products that enable clear communication even in the noisiest environments, or products related to wireless Internet applications. All these earpieces may be worn in the user's meatus and/or auditory canal. The invention also relates to a computerised system for manufacturing such customised earpieces. In particular, the invention is directed to a computerised system that models an earpiece based on a three-dimensional replica of the user's meatus and/or auditory canal.

Detecting tooth shade

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.

TOOLS FOR CUSTOMIZED DESIGN OF DENTAL RESTORATIONS

The present invention relates to tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, the invention relates to a computer-readable medium for implementing such a system on a computer.

Method and user interface for use in manufacturing multi-shaded dental restorations

Disclosed is a method, a system, and a user interface for determining a preferred relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing dental restorations from multi-shaded milling blocks. A preferred first relative arrangement of a first digital restoration design and a digital representation of a first multi-shaded milling block is determined, and therefrom a preferred second relative arrangement of a second digital restoration design and a digital representation of a second multi-shaded milling block is determined.

METHOD FOR PROVIDING A DENTAL PROSTHESIS AND A POSITIONING GUIDE FOR PLACING THE DENTAL PROSTHESIS

Disclosed herein is method for designing a dental prosthesis and a positioning guide for placing the dental prosthesis on implants in the jaw while maintain proper occlusion. In particular the method relates to a method for designing the dental prosthesis and the positioning guide prior to implant placement. Accordingly, the disclosure relates to a method and a kit of components suited for one-day implant surgery thereby reducing the time the patient spend in the dentist chair.

Scanning of edentulous patients

Disclosed is a method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone, where the method includes a step of obtaining a digital 3D representation including both surface data relating to dental tissue in one of the patient's jaws and surface data relating to a scan appliance arranged in relation to the jaw, where the scan appliance is configured for at least partly defining the patient's occlusion.

Designing a dental restoration

A method for designing a virtual abutment for manufacturing an abutment part of a dental restoration for a patient, the dental restoration further including a crown configured for being seated at the abutment, wherein the method includes loading a virtual anatomy surface into an electronic data processing device, the virtual anatomy surface expressing a target shape of the crown portion of the dental restoration; loading an obtained virtual abutment including a virtual abutment finish line into the electronic data processing device; and modifying the obtained virtual abutment by executing one or more computer implemented algorithms using the electronic data processing device, where the algorithms are configured to adapt the shape of the obtained virtual abutment such that the virtual abutment finish line of the modified virtual abutment is aligned with the virtual anatomy surface.

Dental preparation guide

A method for generating a dental preparation guide configured for validating the preparation of at least one tooth for a dental restoration. A tooth is virtually removed from a digital 3D representation of the patient's pre-prepared set of teeth to form a digital 3D representation of a remaining set of teeth. A virtual target dental restoration expressing a target shape of the dental restoration is obtained and a virtual validation surface for the dental preparation guide is created based on the virtual target dental restoration, where the validation surface is such that the preparation of the tooth can be validated by the dental preparation guide. A virtual preparation guide surface is created by combining the virtual validation surface and part of the surface of the digital 3D representation of the remaining set of teeth.

Facebow and method of using a facebow

Disclosed is a method for determining the geometrical relationship between a patient's dental structure and a reference feature on the head of the patient, the method including obtaining a first digital representation of a facebow including a fiducial marker, an adjustable pin member attached to the facebow and an attachment section of the facebow for placing the facebow in relation to the reference feature, the attachment section having a geometrical relationship with the fiducial marker; obtaining a second digital representation comprising a part of the patient's dental structure, a part of the pin member, and part of the facebow including the fiducial marker; obtaining information about the placement of the attachment section relative to the reference feature; and determining the geometrical relationship between the patient's dental structure and the reference feature based on the first and second digital representations and the placement of the attachment section.

Multiple bite configurations

A method of digitally designing a dental component for a patient, wherein the method includes: obtaining a 3D representation of the patient's upper jaw; obtaining a 3D representation of the patient's lower jaw; obtaining at least a first 3D representation of a first bite configuration of the patient's jaws in a first occlusion and a second 3D representation of a second bite configuration of the patient's jaws in a second occlusion different from the first occlusion; digitally determining a occlusal contact movement of the patient's jaws relative to each other based on the at least first 3D representation, the second 3D representation and contact between the patient's upper jaw and lower jaw; and digitally designing the dental component based on the occlusal contact movement of the patient's jaw relative to each other.

Focus scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Designing a dental positioning jig

A method, a system, and a user interface for creating a virtual positioning jig for manufacturing a positioning jig, where the manufactured positioning jig is for use in positioning a manufactured dental restoration at a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth; designing a virtual model of the dental restoration at the digital 3D representation; creating an inner surface and an outer surface of the virtual positioning jig; and defining a through hole of the virtual positioning jig at the implant region.

Detecting tooth shade

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.

SUPPORT OF REMOVABLE COMPONENTS IN A TEETH MODEL MANUFACTURED BY MEANS OF CAM

A computer-implemented method of generating a virtual model of a set of teeth for manufacturing a physical model of the set of teeth includes providing a virtual model of the set of teeth generating a cavity in said gingival part, into which cavity a removable component fits, where the removable component and the cavity are configured to provide a gap at an interface; and providing for supporting and positioning the removable component in the cavity, wherein the area of contact between the removable component and the cavity wall at the interface is controlled by the shape of the adjoining surfaces of the supporting and positioning and the other of the removable component and the cavity wall. 194-. (canceled)96. The method according to claim 95 , wherein at least part of said supporting elements are generated on the removable component such that the area of contact between the removable component and the cavity wall at said interface is controlled by the shape of the adjoining surfaces of the supporting elements and the cavity wall.971. The method according to claim claim 95 , wherein at least part of said supporting elements are generated on the cavity wall such that the area of contact between the removable component and the cavity wall at said interface is controlled by the shape of the adjoining surfaces of the supporting elements and the removable component.98. The method according to claim 95 , wherein the supporting elements comprise one or more friction points providing friction between the removable component and the cavity.99. The method according to claim 95 , wherein the supporting elements are arranged in positions corresponding to each substantially straight side of a base of the removable component.100. The method according to claim 95 , wherein the width of said supporting element in said area of contact is in the range of about 0.01 mm to about 4 mm.101. The method according to claim 95 , wherein the length of said supporting element in said contact ...

Dental preparation guide

A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.

soft components made individually custom

Modeling a digital design of a denture

A method for modeling a digital design of a denture for a patient, the denture includes a gingival part and a teeth part including a set of denture teeth, where the method includes obtaining a digital 3D representation of the patient's gum; obtaining virtual teeth models corresponding to the denture teeth; virtually arranging the virtual teeth models in relation to the digital 3D representation of the patient's gum; and generating a virtual outer gingival surface of the gingival part of the denture.

2D IMAGE ARRANGEMENT

Disclosed is a method of designing a dental restoration for a patient, wherein the method includes providing one or more 2D images, where at least one 2D image includes at least one facial feature; providing a 3D virtual model of at least part of the patient's oral cavity; arranging at least one of the one or more 2D images relative to the 3D virtual model in a virtual 3D space such that the 2D image and the 3D virtual model are aligned when viewed from a viewpoint, whereby the 3D virtual model and the 2D image are both visualized in the 3D space; and modeling a restoration on the 3D virtual model, where the restoration is designed to fit the facial feature of the at least one 2D image. 1109-. (canceled)110. A method of designing a dental restoration for a patient , wherein the method comprises:providing one or more 2D images, where at least one 2D image comprises at least one facial feature;providing a 3D virtual model of at least part of the patient's oral cavity;arranging at least one of the one or more 2D images relative to the 3D virtual model in a virtual 3D space such that the 2D image and the 3D virtual model are aligned when viewed from a viewpoint, whereby the 3D virtual model and the 2D image are both visualized in the 3D space; andmodeling a restoration on the 3D virtual model, where the restoration is designed to fit the facial feature of the at least one 2D image.111. The method according to claim 110 , wherein facial features are present in an image of the patient and/or in a generic image of a person.112. The method according to claim 110 , wherein the facial features comprises one or more imaginary lines of a face adapted to be detected in the 2D image claim 110 , such as the midline claim 110 , the horizontal line claim 110 , and/or the bi-pupillar line.113. The method according to claim 110 , wherein the designing of the restoration is performed to automatically fit the facial features of the at least one 2D digital image.114. The method according ...

Method and apparatus for three-dimensional optical scanning of interior surfaces

The invention concerns the three-dimensional scanning of interior surfaces or cavities of limited dimensions or with restricted accessibility by providing a probe-shaped non-contact adpated to perform a scan 360° around the axis of the probe and a method for scanning. The invention furthermore relates to the creation of high precision three-dimensional replicas of real objects using 3-D scan data obtainable with the scanner according to the invention. Furthermore, the invention relates to a specific embodiment for scanning the human ear and ear canal.

Modeling and manufacturing of dentures

A method for creating a digital model of a denture for a patient, where the denture includes a gingival part and artificial teeth, includes obtaining digital models of artificial teeth representing the artificial teeth; obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva; digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth; digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; and digitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth.

Focus scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

2D image arrangement

Disclosed is a method of designing a dental restoration for a patient, wherein the method includes providing one or more 2D images, where at least one 2D image includes at least one facial feature; providing a 3D virtual model of at least part of the patient's oral cavity; arranging at least one of the one or more 2D images relative to the 3D virtual model in a virtual 3D space such that the 2D image and the 3D virtual model are aligned when viewed from a viewpoint, whereby the 3D virtual model and the 2D image are both visualized in the 3D space; and modeling a restoration on the 3D virtual model, where the restoration is designed to fit the facial feature of the at least one 2D image.

Method of modifying the gingival part of a virtual model of a set of teeth

Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth.

MOTION BLUR COMPENSATION

Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images. 1. A method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner , where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed , and where the motion blur compensation comprises:determining whether there is a relative motion between the scanner and the object during the acquisition of a series of sub-scans;when a relative motion is determined, performing a motion compensation based on the determined motion; andgenerating a combined 3D surface from the series of sub-scans.2. The method according to claim 1 , wherein the 3D scanning comprises:generating a probe light,transmitting the probe light towards the object thereby illuminating at least a part of the object,transmitting light returned from the object to a camera comprising an array of sensor elements,imaging on the camera at least part of the transmitted light returned from the object to the camera by means of an optical system, where the optical system comprises focusing optics configured for defining a focus plane on the object when the 3D scanner is arranged in relation to the object.37-. (canceled)8. The method according to claim 1 , wherein the motion determination and 3D surface generation comprise:generating a first 3D surface from a first of ...

OPTICAL SYSTEM IN 3D FOCUS SCANNER

A scanner for obtaining and/or measuring a 3D geometry of a surface of an object includes a camera having an array of sensor elements, a first device for generating a probe light, a device for transmitting the probe light rays towards the object, a device for transmitting light rays returned from the object to the array of sensor elements, an optical system for imaging with a first depth of field on the camera the transmitted light rays, a device for varying the position of the focus plane on the object, a device for obtaining at least one image from said array of sensor elements, a device for determining the in-focus position(s) of sensor elements, and a device for transforming the in-focus data into 3D coordinates. 172-. (canceled)74. The scanner according to claim 73 , wherein the second camera is adapted for forming at least one image in 1D and/or 2D of at least some of the selected light rays.75. The scanner according to claim 73 , wherein the second depth of field image has substantially the same perspective as the first depth of field image.76. The scanner according to claim 73 , wherein the focusing optics is arranged outside the path of the selected portion of the returned light rays to the second camera such that the second depth of field image is substantially unaffected by varying the position of the focus plane on the object.77. The scanner according to claim 73 , wherein the optics for selecting a portion of light rays returned from the object is arranged in an aperture in the first optical system.78. The scanner according to claim 77 , wherein the optics for selecting a portion of light rays is a second optical element arranged in the aperture to select light rays from a region of the aperture for obtaining the second depth of field image(s).79. The scanner according to claim 73 , wherein the optics for selecting a portion of light rays is arranged in front of the focusing optics such that the selected light rays are transmitted to the second camera ...

METHOD AND SYSTEM FOR CREATING NON-OCCLUDING EARPIECES

The present invention provides a method for computer-controlled creation of non-occluding earpieces with tube bore. The non-occluding earpieces are created based on a three-dimensional computer model of at least part of the outer ear and at least part of the auditory canal. The said model is created by a laser scanner, in the ear scanner or by other means. The said three-dimensional computer model is virtually modified to create the non-occluding earpieces and the tube bore. Finally the physical non-occluding earpieces are manufactured using rapid prototyping equipment.

Motion blur compensation

Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises:—determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images;—if a relative motion is determined, performing a motion compensation based on the determined motion; and—generating a 3D surface from the sequence of focus plane images.

Tools for customized design of dental restorations

The present disclosure relates to tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, the disclosure relates to a computer-readable medium for implementing such a system on a computer.

Intraoral scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Virtually designing a post and core restoration using a digital 3D shape

A method of virtually designing a post and core restoration for attachment in a damaged tooth of a patient, where the tooth includes a bore for receiving the post of the post and core, the method includes obtaining a first 3D scan includes at least a part of the damaged tooth; providing a digital 3D shape adapted to fit the bore of the damaged tooth; virtually matching the first 3D scan of the tooth and the digital 3D shape, where the matching includes matching a surface region in the first 3D scan of the tooth with a corresponding surface region of the digital 3D shape, such that at least part digital 3D shape is represented relative to the first 3D scan of the tooth; and virtually designing the post and core restoration based on the representation of the digital 3D shape relative to the first 3D scan of the tooth.

Modeling and manufacturing the superstructure for a denture

A system and a method for providing a model of a superstructure joining a denture and a corresponding dental arch, the method includes the steps of obtaining a first 3D representation of at least a part of a preliminary model of the denture, obtaining a second 3D representation of at least a part of the dental arch comprising dental implants, and generating a model of a superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations.

System and method for designing post and core

A system and a computer-implemented method of designing and/or manufacturing a post and core to match a bore of a tooth, said method including the steps of: a) obtaining at least one impression of a set of teeth comprising a bore; b) scanning the impression of the set of teeth comprising the bore; c) providing a three-dimensional scan representation of the impression comprising the bore; d) transforming the three-dimensional scan representation to a three-dimensional positive working model of the set of teeth and the bore; and e) designing a post and core model from the positive working model of the bore. In particular, CAD/CAM design and/or manufacture of post and core.

Motion blur compensation

Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images.

Customized dental impression tray

Disclosed are methods and systems for generating a virtual model of a customized impression tray and for manufacturing such a customized impression tray. A 3D digital representation of a patient's set of teeth is obtained and a virtual model of the customized impression tray is generated, where the generating comprises shaping the virtual model of the customized impression tray according to the 3D digital representation.

3D SYSTEM AND METHOD FOR GUIDING OBJECTS

A method and a 3D guiding system for providing a guided relative movement of a first object and a second object are disclosed. The 3D guiding system comprises a 3D scanner configured for performing a 3D scanning of the second object, and a non-transitory computer-readable medium configured for at least temporary storing: 143-. (canceled)44. A 3D guiding system for guiding a relative movement of a first object and a second object , where the 3D guiding system is configured for being arranged in relation to said first object , and where the 3D guiding system comprises:a 3D scanner configured for performing a 3D scanning of the second object; a 3D model of the second object;', 'program code for determining a present relative arrangement of the first and second objects from a result of a 3D scanning of the second object; and', 'program code for calculating information for guiding the relative movement of the first and second objects towards a first preferred relative arrangement from said present relative arrangement; and, 'a non-transitory computer-readable medium configured for at least temporary storingan information displaying device configured for displaying the calculated information to an operator45. The 3D guiding system according to claim 44 , wherein said information displaying device comprises a projecting device configured for projecting a guiding signal onto a region of the second object claim 44 , where the guiding signal is based on the information.46. The 3D guiding system according to claim 44 , wherein the non-transitory computer-readable medium further stores program code for deriving from said 3D model the first preferred relative arrangement between the first and second objects.47. The 3D guiding system according claim 44 , wherein the 3D guiding system comprises program code for deriving further preferred relative arrangements between the first and the second objects claim 44 , and wherein the first preferred relative arrangement and the further ...

Detecting and monitoring development of a dental condition

Disclosed is a method, user interface and system for detecting and monitoring development of a dental condition. In particular the invention relates to detecting and monitoring such a development by comparing digital 3D representations of the patient's set of teeth recorded at a first and a second point in time.

Method of modifying the gingival part of a virtual model of a set of teeth

Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth. A method of and a system for generating a virtual model of a set of teeth for manufacturing a physical model of the set of teeth, and to a physical model of a set of teeth.

DETECTION OF A MOVABLE OBJECT WHEN 3D SCANNING A RIGID OBJECT

A method for detecting a movable object in a location includes —providing a first 3D representation of at least part of a surface by scanning; —providing a second 3D representation of at least part of the surface by scanning; —determining for the first 3D representation a first excluded volume; —determining for the second 3D representation a second excluded volume; —if a portion of the surface in the first 3D representation is located in space in the second excluded volume, the portion of the surface in the first 3D representation is disregarded, and/or —if a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded

3D system and method for guiding objects

A method for providing a guided relative movement of a first object and a second object includes obtaining the first object; obtaining the second object and a 3D model of the second object, and deriving from the 3D model a first preferred relative arrangement between the first and second objects; obtaining a pre-process plan describing a preferred path for the relative movement of the first and second objects towards the first preferred relative arrangement; performing a movement procedure that includes 3D scanning at least a region of said second object using the 3D scanner and determining a present relative arrangement of the first and second objects from a result of the 3D scanning; calculating information for correcting in real-time for deviation in the relative movement from the preferred path; and providing a relative movement of the first and second objects towards the first preferred relative arrangement.

Computer-implemented method for three-dimensional representation

Disclosed is a computer-implemented method of arranging three-dimensional virtual designs configured to be manufactured as physical designs on a production batch, the method including: providing the virtual designs, where each virtual design is based on a three-dimensional representation of an object, and where at least a number of the virtual designs belongs to a group, where the virtual designs in a respective group satisfy at least one common criterion; and arranging the virtual designs relative to the production batch.

Dental preparation guide

A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.

DENTAL PREPARATION GUIDE

A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.

Intraoral scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

METHOD OF COMPOSING AND DESIGNING A SET OF TEETH

Disclosed is a computer-implemented method of designing a number of dental restorations for a patient, wherein the method includes:—selecting a composed set of teeth including a number of teeth, where the number of teeth are arranged spatially relative to each other forming a high aesthetic composition;—applying the composed set of teeth to a virtual three dimensional representation of the patient's present oral situation to obtain an initial set of teeth;—optionally modifying one or more parameters of one or more of the teeth in the initial set of teeth to obtain a finalized set of teeth. 142-. (canceled)43. A computer-implemented method of designing a number of dental restorations for a patient , wherein the method comprises:selecting a composed set of teeth comprising a number of teeth, where the number of teeth are arranged spatially relative to each other forming a high aesthetic composition;applying the composed set of teeth to a virtual three dimensional representation of the patient's present oral situation to obtain an initial set of teeth;optionally modifying one or more parameters of one or more of the teeth in the initial set of teeth to obtain a finalized set of teeth.44. The computer-implemented method according to claim 43 , wherein the method further comprises:optionally modifying the entire initial set of teeth collectively, when optionally modifying the one or more parameters in the initial set of teeth.45. The computer-implemented method according to claim 43 , wherein the method further comprises:optionally modifying a number of teeth in the initial set of teeth collectively, when optionally modifying the one or more parameters in the initial set of teeth.46. The computer-implemented method according to claim 43 , wherein the method further comprises:optionally modifying one or more parameters of one or more of the teeth in the composed set of teeth before applying the representation of the patient's present oral situation to obtain a modified ...

MOTION BLUR COMPENSATION

Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises:—determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images;—if a relative motion is determined, performing a motion compensation based on the determined motion; and—generating a 3D surface from the sequence of focus plane images. 1. A method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner , where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed , and where the motion blur compensation comprises:determining whether there is a relative motion between the scanner and the object during the acquisition of a sequence of focus plane images;if a relative motion is determined, performing a motion compensation based on the determined motion; andgenerating a 3D surface from the sequence of focus plane images.2. The method according to claim 1 , wherein the 3D scanning comprises:generating a probe light,transmitting the probe light towards the object thereby illuminating at least a part of the object,transmitting light returned from the object to a camera comprising an array of sensor elements,imaging on the camera at least part of the transmitted light returned from the object to the camera by means of an optical system, where the optical system comprises focusing optics configured for defining a focus plane on the object when the 3D scanner is arranged in relation to the object,varying the position of the focus plane on the object by moving said focusing optics,obtaining at least one focus plane image from said array of sensor ...

ADAPTIVE 3D SCANNING

The present invention relates to adaptive 3D scanning wherein a scan sequence for obtaining full geometrical coverage of a physical object are created automatically and specifically for the physical object, by using a method and a system for producing a 3D computer model of a physical object, wherein the method comprises the following steps providing a scanner system, said scanner system comprising a scanner, and a computer connectable to and/or integrated in said scanner, said computer comprising a virtual model of said scanner, entering shape information of the physical object into the computer, creating in said computer a visibility function based on said virtual model and the shape information, said visibility function being capable of evaluating the coverage of areas of interest of the physical object by at least one predetermined scan sequence, establishing at least one scan sequence based on the evaluation of the visibility function, performing a scan of the physical object using ...

Virtual design of attachment of dental model in articulator

A method for virtually designing the attachment of a manufactured dental model of a patient's set of teeth in a physical dental articulator by one or more kinds of spacer elements, where the method includes obtaining a virtual 3D dental model, providing a virtual dental articulator, where the height of the dental model is the height of an upper part and the height of a lower part of the dental model; providing one or more kinds of virtual spacer elements with predetermined heights, determining a manufacture height of the dental model and determining the number of each of the kinds of spacer elements to be used for the attachment of the manufactured dental model in the physical articulator, such that the manufacture height of the dental model and the total effective spacer element height, equals the articulator height.

Modeling and manufacturing the superstructure for a denture

The present invention relates to a system and a method for providing a model of a superstructure joining a denture and a corresponding dental arch, the method comprising the steps of: obtaining a first 3D representation of at least a part of a preliminary model of the denture, obtaining a second 3D representation of at least a part of the dental arch comprising dental implants, and generating a model of a superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations.

3D modeling of a dental restoration using textural features

... 3D modeling of an object using textural features. Disclosed is a method and a system for 3D modeling of a 3D object adapted to be inserted in or worn by a patient. The 3D modeling applies information of one or more features from an acquired 2D digital representation including textural data of the location where the 3D object is adapted to be arranged.

Deriving tooth condition information for populating digital dental charts

Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.

Snapping of denture teeth

A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming the denture, and where the denture teeth are grouped in at least two blocks where each block includes at least two denture teeth. The method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; and digitally transforming at least one denture tooth based on input from a user; where at least one design rule is enforced that affect one or more, but not all of the blocks, when the at least one denture tooth is transformed.

Detecting tooth shade

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.

Method of composing and designing a set of teeth

Disclosed is a computer-implemented method of designing a number of dental restorations for a patient, wherein the method includes: selecting a composed set of teeth including a number of teeth, where the number of teeth are arranged spatially relative to each other forming a high aesthetic composition; applying the composed set of teeth to a virtual three dimensional representation of the patient's present oral situation to obtain an initial set of teeth; optionally modifying one or more parameters of one or more of the teeth in the initial set of teeth to obtain a finalized set of teeth.

Detection of a movable object when 3D scanning a rigid object

A method for detecting a movable object in a location includes —providing a first 3D representation of at least part of a surface by scanning; —providing a second 3D representation of at least part of the surface by scanning; —determining for the first 3D representation a first excluded volume; —determining for the second 3D representation a second excluded volume; —if a portion of the surface in the first 3D representation is located in space in the second excluded volume, the portion of the surface in the first 3D representation is disregarded, and/or —if a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded.

Deriving tooth condition information for populating digital dental charts

Disclosed are methods and digital tools for deriving tooth condition information for a patient's teeth, for populating a digital dental chart with derived tooth condition information, and for generating an electronic data record containing such information.

DETECTING TOOTH SHADE

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.

Method, system and user interface for creating a digital design for use in manufacturing a molding-shell for a dental restoration

A method, a system and a user interface for generating a digital design for use in the manufacture of a molding-shell for a patient's teeth, where the molding-shell and the teeth together enclose a volume for forming a dental restoration, include obtaining a digital 3D representation of the patient's teeth, the digital 3D representation including a tooth part relating to one or more teeth for which the dental restoration is formed; obtaining a set of one or more digital teeth anatomies; arranging the set of digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement; and generating the digital design where a first portion of the digital design is derived from the digital teeth anatomies and a second portion of the digital design is derived from the tooth part of the digital 3D representation.

VIRTUAL DESIGN OF ATTACHMENT OF DENTAL MODEL IN ARTICULATOR

Disclosed is a method for virtually designing the attachment of a manufactured dental model of a patient's set of teeth in a physical dental articulator by means of one or more kinds of spacer elements, where the method comprises: 2. The method according to claim 1 , wherein the determined spacer elements are configured for retaining the dental model in the articulator.3. The method according to any one or more of the preceding claims claim 1 , wherein determining the manufacture height of the dental model and determining the number of each of the kinds of spacer elements to be used for the attachment of the manufactured dental model in the physical articulator comprises: if yes, then the difference between the articulator height and the minimum height of the dental model is the total effective spacer element height, and the manufacture height of the dental model is equal to the minimum height of the dental model;', 'if no, then based on the predetermined heights of the one or more kinds of spacer elements determine a possible total effective spacer elements height; and then determine the manufacture height of the dental model as the difference between the articulator height and the possible total effective spacer elements height, whereby the manufacture height of the dental model is larger than the minimum height of the dental model., 'determining if any combination of spacer elements provides the difference between the articulator height and the minimum height of the dental model;'}4. The method according to any one or more of the preceding claims claim 1 , wherein the manufacture height of the dental model and the total effective spacer element height are determined by an iterative process claim 1 , where the manufacture height of the dental model and the total effective spacer element height are alternately adjusted in steps.5. The method according to any one or more of the preceding claims claim 1 , wherein a number of different possible total effective spacer ...

Method of digitally designing a modified dental setup

A method for digitally designing a modified dental setup up on a digital 3D dental model representing at least a part of the jaws of a patient includes the steps of obtaining a pre-treatment digital 2D image of at least a part of the patient's teeth, obtaining a digital 3D representation of the at least a part of the patient's set of teeth, obtaining a proposed digital 2D image of a desired dental setup based on the pre-treatment digital 2D image, wherein at least one digital tooth modification has been provided, and transferring the at least one digital tooth modification from the proposed digital 2D image to the digital 3D representation. This provides a method where the practitioner with relative simple means can present the patient with a visualization of an expected outcome of a dental treatment.

Method and apparatus for three-dimensional optical scanning of interior surfaces

A scanner for three-dimensional scanning of interior surfaces or cavities of limited dimensions or with restricted accessibility. The scanner includes a probe having an axis and at least one light source and one camera adapted to perform a scan 360° around the axis of the probe. High precision three-dimensional replicas of real objects may be created using 3-D scan data obtainable with the scanner.

Focus scanning apparatus

Disclosed is a handheld scanner for obtaining and/or measuring the 3D geometry of at least a part of the surface of an object using confocal pattern projection techniques. Specific embodiments are given for intraoral scanning and scanning of the interior part of a human ear.

dynamic virtual articulador.

DUAL-RESOLUTION 3D SCANNER

Disclosed is an integrated 3D scanner for scanning a surface of an object, said integrated 3D scanner comprising: 170-. (canceled)71. A 3D scanner for scanning a surface of an object , said 3D scanner comprising: in said first configuration the scanning device is capable of acquiring a first data set relating to the surface of the object; and', 'in said second configuration the scanning device is capable of acquiring a second data set relating to the surface of the object; and, 'a scanning device capable of operating in a first configuration and in a second configuration, where'}a data processing unit configured for combining one or more first data sets and one or more second data sets to provide a combined data set;where the first and second configurations of the scanning device are such that the second data set represents data with a higher spatial resolution than the first data set.72. The 3D scanner according to claim 71 , wherein the scanning device comprises a first scanning unit which at least in part realizes the first configuration of the scanning device and a second scanning unit which at least in part realizes the second configuration.73. The 3D scanner according to claim 71 , wherein the 3D scanner comprises a control unit configured for controlling the operation of the scanning device.74. The 3D scanner according to claim 73 , wherein the control unit is capable of automatically changing the operation of the scanning device between the first configuration and the second configuration.75. The 3D scanner according to claim 71 , wherein the scanning device is capable of operating simultaneously in the first and second configurations.76. The 3D scanner according to claim 75 , wherein the control unit is capable of automatically changing between operating the scanning device in the first and second configurations simultaneously and operating the scanning device in only one of the first and second configurations.77. The 3D scanner according to claim 73 , ...

3D system and method for guiding objects

An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.

Method for designing attachment abutments for attaching dentures to the mandible and/or maxilla

Disclosed is a method for digitally designing at least two attachment abutments, each attachment abutment comprising an implant connection section adapted for connection to a respective implant along an implant axis, a transition section separating the implant connection section and an attachment section, wherein the attachment section is adapted for receiving a mating part.

DENTAL PREPARATION GUIDE

Disclosed is method for generating a dental preparation guide configured for validating the preparation of at least one tooth for a dental restoration, said method comprising: 168-. (canceled)69. A method for generating a dental preparation guide configured for validating the preparation of at least one tooth for a dental restoration , said method comprising:a: obtaining a digital 3D representation of a pre-prepared set of teeth;b: virtually removing said at least one tooth from the digital 3D representation of the pre-prepared set of teeth, such that a digital 3D representation of a remaining set of teeth is formed;c: obtaining a virtual target dental restoration expressing a target shape of the dental restoration;d: creating a virtual validation surface for the dental preparation guide based on the virtual target dental restoration, where the validation surface is such that the preparation of the tooth can be validated by the dental preparation guide; ande: creating a virtual preparation guide surface by combining the virtual validation surface and at least part of the surface of the digital 3D representation of the remaining set of teeth.70. The method according to claim 69 , wherein the method comprises creating a virtual replacement surface configured for at least partly closing a virtual hole defined in the digital 3D representation of the remaining set of teeth when virtually removing said at least one tooth.71. The method according to claim 70 , wherein the virtual replacement surface comprises a virtual gingival surface configured for closing a gingival part of the virtual hole.72. The method according to claim 70 , wherein the virtual replacement surface comprises a virtual interproximal surface configured for closing an interproximal part of the virtual hole.73. The method according to claim 70 , wherein the method comprises making the virtual replacement surface part of the digital 3D representation of the remaining set of teeth.74. The method according ...

Designing a virtual preparation and a virtual gingival

A computer product for generating a digital 3D model for use in a dental component based on a digital 3D model of the dental component showing a shape of the teeth and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended, the product causing a system to generate a digital 3D combined model representing a target dental situation when the dental component is arranged at the teeth, where the instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and adding the digital 3D model of the dental component to the digital 3D representation of the pre-prepared set of teeth.

Method for aligning digital representations of a patient's jaws

A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient, the method including segmenting the 3D digital representations to determine the shape and position of each of the patient's teeth in each of the 3D digital representations; and using a set of known anatomical concepts to constrain the fit of the two 3D digital representations to get a preliminary fit.

Tools for customized design of dental restorations

Tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, a computer-readable medium for implementing such a system on a computer. A system for designing at least one dental restoration, said system including: a display, means for acquiring and displaying a three dimensional dental restoration model of the dental restoration, and means for displaying a plurality of control points, each of the control points corresponding to a respective location on the dental restoration model, and each of said control points enabling manual customization of the dental restoration model.

Scanning of edentulous patients

Disclosed is a method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone, where the method includes a step of obtaining a digital 3D representation including both surface data relating to dental tissue in one of the patient's jaws and surface data relating to a scan appliance arranged in relation to the jaw, where the scan appliance is configured for at least partly defining the patient's occlusion.

METHOD FOR APPLYING DESIGN GUIDES

A method for placing and using design guides in a virtual environment for use in dental treatment includes steps of obtaining a 3D representation of a dental setup a patient, obtaining a 2D image of at least a part of the face of the patient, aligning the 2D image and the 3D representation, generating at least one design guide based on facial features in the 2D image, and applying the at least one design guide to the 3D representation. 1. A method for placing and using design guides in a digital environment for use in dental treatment , wherein the method comprises steps ofobtaining a digital 3D representation of a dental setup of a patient having a face,obtaining a digital 2D image of at least a part of the face of the patient,aligning the digital 2D image and the digital 3D representation,generating at least one design guide based on at least one facial feature in the digital 2D image, andapplying the at least one design guide to the digital 3D representation.2. A method according to claim 1 , wherein the alignment of the digital 2D image and the digital 3D representation comprises scaling the digital 2D image to the digital 3D representation.3. A method according to claim 1 , where the alignment comprises rotation of the digital 2D image relative to the digital 3D image.4. A method according to claim 1 , wherein the digital 2D image and the digital 3D representation are aligned to a same perspective or camera position.5. A method according to claim 4 , wherein the digital 2D image and the digital 3D representation are visually presented from said same perspective or camera position.6. A method according to claim 1 , wherein the at least one design guide is a guideline or a guide measurement.7. A method according to claim 6 , wherein two facial features comprises the two pupils of the patient and the method further comprises determining an occlusal plane of the digital 3D representation based on an inter-pupillary guideline extending between the pupils of the ...

Dual-resolution 3D scanner and method of using

A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.

Designing an insertable dental restoration

A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including-obtaining a digital 3D representation of the set of teeth, the digital 3D representation comprising a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site.

Tools for customized design of dental restorations

The present invention relates to tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, the invention relates to a computer-readable medium for implementing such a system on a computer.

COMPUTER-IMPLEMENTED METHOD FOR THREE-DIMENSIONAL REPRESENTATION

Disclosed is a computer-implemented method of arranging three-dimensional virtual designs configured to be manufactured as physical designs on a production batch, the method including: providing the virtual designs, where each virtual design is based on a three-dimensional representation of an object, and where at least a number of the virtual designs belongs to a group, where the virtual designs in a respective group satisfy at least one common criterion; and arranging the virtual designs relative to the production batch. 1. A computer-implemented method of arranging three-dimensional virtual designs configured to be manufactured as physical designs on a production batch , the method comprising:providing the virtual designs, where each virtual design is based on a three-dimensional representation of an object, and where at least a number of the virtual designs belongs to a group, where the virtual designs in a respective group satisfy at least one common criterion; andarranging said virtual designs relative to the production batch.2. The computer-implemented method according to claim 1 , wherein the physical designs are arranged optimally on the production batch with respect to material utilization.3. The computer-implemented method according to claim 1 , wherein the method comprises automatically allocating each virtual design belonging to a respective group to an area for the respective group on the production batch claim 1 , where the area adapts to the group claim 1 , such that each virtual design belonging to a respective group is allocated in a position on the production batch such that the physical design is arranged physically together with its respective group on the production batch.4. The computer-implemented method according to claim 1 , wherein the optimal arrangement comprises optimal placement claim 1 , orientation claim 1 , and/or support generation.5. The computer-implemented method according to claim 1 , wherein the designs are three dimensional ...

Creating a digital restoration design

A method, a system and a user interface for creating a digital restoration design for the manufacture of a dental restoration for one or more of a patient's teeth where minimal manual interaction is required when setting the restoration margin line includes obtaining a digital 3D representation of the patient's unprepared teeth; obtaining a set of one or more digital teeth anatomies; arranging the digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement and creating a digital restoration design including a restoration margin line, where the restoration margin line is derived at least partly from an intersection of the digital 3D representation and the digital teeth anatomies.

DYNAMIC VIRTUAL ARTICULATOR

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method comprises the steps of: 1. A computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth , when performing computer-aided designing of one or more dental restorations for a patient , where the method comprises the steps of:providing the virtual articulator comprising a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth;providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur;wherein the method further comprises:providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.2. The computer-implemented method according to claim 1 , wherein the method further comprises simultaneous modeling of the one or more dental restorations and collision testing of the virtual upper jaw and virtual lower jaw.34-. (canceled)5. The computer-implemented method according to claim 1 , wherein the method further comprises fixing the virtual upper jaw to the occlusal axis such that the virtual lower jaw is configured to move relative to the virtual upper jaw.6. The computer-implemented method according to claim 1 , wherein the method further comprises defining a search structure on the virtual upper jaw configured for searching on predefined circular paths around the occlusal axis for detecting collisions with the surface of the lower jaw model.79-. (canceled)10. The computer-implemented method according to claim 1 , wherein the part of the one or more dental ...

Automated production of dental restoration

A method for manufacturing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a CAD design of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration.

Dual-resolution 3D scanner

An integrated 3D scanner for scanning a surface of an object, the integrated 3D scanner including a scanning device capable of operating in a first configuration and in a second configuration, where in the first configuration the scanning device is capable of acquiring a first data set relating to the surface of the object; and in the second configuration the scanning device is capable of acquiring a second data set relating to the surface of the object; and a data processing unit configured for combining one or more first data sets and one or more second data sets to provide a combined data set; where the first and second configurations of the scanning device are such that the second data set represents data with a higher spatial resolution than the first data set.

3D MODELING OF AN OBJECT USING TEXTURAL FEATURES

3D modeling of an object using textural features. Disclosed is a method and a system for 3D modeling of a 3D object adapted to be inserted in or worn by a patient. The 3D modeling applies information of one or more features from an acquired 2D digital representation including textural data of the location where the 3D object is adapted to be arranged. 198-. (canceled)100. The method according to claim 99 , wherein the method comprises extracting the information of the one or more features from the 2D digital representation comprising textural data.101. The method according to claim 99 , wherein the method comprises translating one or more 2D features from the 2D digital representation comprising textural data into one or more 3D features.102. The method according to claim 99 , wherein combining the 2D digital representation and the 3D digital representation to obtain a combined 3D digital representation comprises projecting the extracted information from the 2D digital representation onto the 3D digital representation.103. The method according to claim 99 , wherein the 3D digital representation is acquired by scanning a physical model of the location claim 99 , by scanning an impression of the location claim 99 , and/or by performing a direct scanning of the location claim 99 , wherein the location is one or more teeth of the patient.104. The method according to claim 99 , wherein the 3D modeling comprises defining one or more edges of the 3D object based on the information.105. The method according to claim 99 , wherein the method comprises providing a 3D model of the 3D object claim 99 , and the 3D modeling comprises adapting the provided 3D model of the 3D object based on the information.106. The method according to claim 100 , wherein extracting information of one or more features of the location comprises feature detection.107. The method according to claim 99 , wherein the feature comprises identification marks arranged within a substantially closed edge of ...

Tools for customized design of dental restorations

Tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, a computer-readable medium for implementing such a system on a computer. A system for designing at least one dental restoration, said system including: a display, means for acquiring and displaying a three dimensional dental restoration model of the dental restoration, and means for displaying a plurality of control points, each of the control points corresponding to a respective location on the dental restoration model, and each of said control points enabling manual customization of the dental restoration model.

Using a CBCT bone scan to design a dental abutment

Disclosed is a method of creating a digital abutment design of a customized dental abutment, the including comprising: obtaining a bone scan comprising a digital representation of at least a part of a patient's jaw including the surface of the jawbone; and designing the digital abutment design of the customized dental abutment; wherein the design of the digital abutment design is at least partly based on fulfilling a set of predefined design criteria including the relationship between the digital representation of the jawbone and the digital abutment design.

SYSTEM AND METHOD FOR DESIGNING POST AND CORE

A system and a computer-implemented method of designing and/or manufacturing a post and core to match a bore of a tooth, said method including the steps of: a) obtaining at least one impression of a set of teeth comprising a bore; b) scanning the impression of the set of teeth comprising the bore; c) providing a three-dimensional scan representation of the impression comprising the bore; d) transforming the three-dimensional scan representation to a three-dimensional positive working model of the set of teeth and the bore; and e) designing a post and core model from the positive working model of the bore. In particular, CAD/CAM design and/or manufacture of post and core. 1. A computer-implemented method of designing and/or manufacturing a post and core to match a bore of a tooth , said method comprising the steps of:a) obtaining at least one impression of a set of teeth comprising a bore;b) scanning the impression of the set of teeth comprising the bore;c) providing a three-dimensional scan representation of the impression comprising the bore;d) transforming the three-dimensional scan representation to a three-dimensional positive working model of the set of teeth and the bore; ande) designing a post and core model from the positive working model of the bore.2. The method according to claim 1 , wherein the virtual three-dimensional working model is configured to be trimmed claim 1 , and/or provided with a base claim 1 , and/or articulation tested claim 1 , and/or provided with sectioned preparations preserving the gingival.3. The method according to claim 1 , wherein manufacturing comprises manufacturing the post and core design and/or manufacturing the working model.4. The method according to claim 1 , wherein the step of scanning at least one impression comprises:a performing an initial scan of the impression;b creating a visibility function based on a virtual model of the scanner performing the scanning and the initial scan of the impression, said visibility ...

INDIVIDUALLY TAILORED SOFT COMPONENTS

A computer-implemented method for creating a customized CAD model of a casting mold, defined as the casting mold CAD model, for moulding of a personalized device, where the casting mold is used for casting an at least partly soft mould as part of the personalized device, and where the casting mold is adapted to be manufactured by means of rapid prototyping, such as 3D printing, including the steps of: —acquiring an input 3D model representing the personalized device, where the input 3D model is acquired by means of 3D scanning, —generating the casting mold CAD model as an impression of at least a part of the input 3D model, said casting mold CAD model thereby including the negative geometry of the personalized device, and—defining at least one sectioning of the casting mold CAD model by means of at least one separation plane and/or separation spline. 136-. (canceled)37. A computer-implemented method for creating a customized CAD model of a casting mold , defined as the casting mold CAD model , for moulding of a personalized device , where the casting mold is used for casting an at least partly soft mould as part of the personalized device , and where the casting mold is adapted to be manufactured by means of rapid prototyping , such as 3D printing , said method comprising the steps of:acquiring an input 3D model representing the personalized device, where the input 3D model is acquired by means of 3D scanning,generating the casting mold CAD model as an impression of at least a part of the input 3D model, said casting mold CAD model thereby comprising the negative geometry of the personalized device, anddefining at least one sectioning of the casting mold CAD model by means of at least one separation plane and/or separation spline.38. A method according to claim 37 , further comprising the step of providing an interlocking mechanism of the casting mold CAD model.39. A method according to claim 37 , wherein the personalized device is shaped to fit an anatomic part of ...

VIRTUALLY DESIGNING A POST AND CORE RESTORATION USING A DIGITAL 3D SHAPE

A method of virtually designing a post and core restoration for attachment in a damaged tooth of a patient, where the tooth includes a bore for receiving the post of the post and core, the method includes obtaining a first 3D scan includes at least a part of the damaged tooth; providing a digital 3D shape adapted to fit the bore of the damaged tooth; virtually matching the first 3D scan of the tooth and the digital 3D shape, where the matching includes matching a surface region in the first 3D scan of the tooth with a corresponding surface region of the digital 3D shape, such that at least part digital 3D shape is represented relative to the first 3D scan of the tooth; and virtually designing the post and core restoration based on the representation of the digital 3D shape relative to the first 3D scan of the tooth. 1. A method of virtually designing a post and core restoration adapted for attachment in a damaged tooth of a patient , where the damaged tooth comprises a bore for receiving the post of the post and core , wherein the method comprises:obtaining a 3D image comprising a first 3D scan comprising at least a part of the damaged tooth;providing a digital 3D shape adapted to fit the bore of the damaged tooth;virtually matching the first 3D scan of the tooth and the digital 3D shape, where the matching comprises matching a surface region in the first 3D scan of the tooth with a corresponding surface region of the digital 3D shape, such that at least part digital 3D shape is represented relative to the first 3D scan of the tooth;virtually designing the post and core restoration based on the representation of the digital 3D shape relative to the first 3D scan of the tooth.2. A method according to claim 1 , further comprising that the digital 3D shape is at least a part of a surface representation adapted for matching at least a part of the bore of the damaged tooth.3. A method according to claim 1 , further comprising that the digital 3D shape is at least a part ...

DESIGNING A VIRTUAL PREPARATION AND A VIRTUAL GINGIVAL

This invention generally relates to a system and a method of designing a dental component for a region on a patient's set of teeth. More particularly, the invention relates to obtaining a digital 3D representation of at least the region of the patient's set of teeth, where the digital 3D representation is based on a 3D scan. 145-. (canceled)46. A method for generating a 3D virtual model of a dental component for a region of a patient's set of teeth , where the dental component comprises a temporary bridge restoration or a diagnostic wax-up bridge , such that the dental component comprises crowns and at least one pontic , wherein the method comprises:obtaining a digital 3D representation of the set of teeth, where the digital 3D representation is based on a 3D scan of a pre-prepared configuration of the set of teeth;virtually sectioning the part of the digital 3D representation corresponding to the teeth in said region using at least one 3D sectioning spline;determining at least part of the inter-proximal surfaces of the virtually sectioned teeth; anddetermining a jaw-facing surface for the dental component, where the jaw-facing surface is configured for facing a surface which is not available in the digital 3D representation of the pre-prepared set of teeth.47. The method according to claim 46 , wherein the jaw-facing surface comprises the jaw-facing surface of the pontic of said dental component.48. The method according to claim 46 , wherein the jaw-facing surface comprises the jaw-facing surface of a least one of the crowns of said dental component.49. The method according claim 46 , wherein determining the jaw-facing surface comprises estimating at least a part of the surface which is not available in the 3D representation.50. The method according to claim 46 , where the 3D sectioning spline for a tooth is adapted to extend over at least one inter-proximal surface of that tooth.51. The method according to claim 46 , wherein the method comprises virtually removing ...

Modeling and manufacturing of dentures

Disclosed is a method for modeling and manufacturing a denture for a patient, where the denture comprises a gingival part and artificial teeth, wherein the method comprises: providing a 3D scan comprising at least part of the patient's oral cavity; virtually modeling at least part of the denture using the 3D scan; obtaining virtual teeth to represent the artificial teeth; virtually modeling at least one of the virtual teeth to obtain a set of modeled virtual teeth; manufacturing the modeled virtual teeth in a first material; manufacturing the gingival part in a second material; and manufacturing at least part of the denture by means of computer aided manufacturing (CAM).

METHOD OF MODIFYING THE GINGIVAL PART OF A VIRTUAL MODEL OF A SET OF TEETH

Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth. 151-. (canceled)52. A method of generating and modifying a virtual model of a set of teeth , said set of teeth comprising a region configured for insertion of a restoration , the region being located in a gingival part of the set of teeth , the method comprises:obtaining at least one three dimensional representation of the set of teeth;generating a virtual model of the set of teeth from said three dimensional representation, where the virtual model of the set of teeth comprises a gingival part, said gingival part comprising a virtual region corresponding to said region configured for insertion of a restoration and at least part of the gingiva surrounding said region;obtaining a virtual model of said restoration; andmodifying the gingival part of the virtual model of the set of teeth such that the virtual model of the restoration can be virtually inserted into said virtual region with no overlap between the volume of said virtual model of the restoration and the volume of said gingival part of the virtual model of the set of teeth.53. The method according to claim 52 , wherein modifying the gingival part of the virtual model of the set of teeth comprises digitally cutting a portion of the gingiva away such that the volume of the restoration and the volume of the gingiva do not overlap.54. The method according to claim 52 , wherein the method comprises subtracting the virtual model of the restoration or the volume enclosed by an offset surface from the virtual model of the set of teeth.55. The method according to claim 54 , wherein an offset is provided between the adjoining surfaces of the virtual model of the restoration and the gingival part of the virtual model of the set of teeth.56. The method according to claim 52 , ...

MODELING AND MANUFACTURING THE SUPERSTRUCTURE FOR A DENTURE

The present invention relates to a system and a method for providing a model of a superstructure joining a denture and a corresponding dental arch, the method comprising the steps of: 161-. (canceled)62. A method for providing a model of a superstructure joining a denture and a corresponding dental arch , the method comprising the steps of:obtaining a first 3D representation of at least a part of a preliminary model of the denture,obtaining a second 3D representation of at least a part of the dental arch comprising dental implants, andgenerating a model of a superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations.63. The method according to claim 62 , wherein generating a model of a superstructure is further based on template superstructure elements and/or predefined dental and superstructure parameters.64. The method according to claim 62 , wherein the method further comprises:combining the first and second 3D representations to provide a third 3D representation of at least part of the preliminary model of the denture where the gingival side of the third 3D representation corresponds to the second 3D representation.65. The method according to claim 62 , wherein the method further comprises virtually modeling a superstructure based on the second 3D representation and/or the third 3D representation.66. The method according to claim 64 , wherein the method further comprises virtually modeling the final denture based on the third 3D representation claim 64 , wherein individual teeth and gingiva are segmented and each tooth is provided with an individual cut-back depending on position in the dental arch.67. The method according to claim 62 , wherein at least a part of the preliminary model of the denture comprises the teeth side.68. The method according to claim 62 , wherein at least a part of the preliminary model of the denture comprises the gingival side.69. The method according to ...

USING A CBCT BONE SCAN TO DESIGN A DENTAL ABUTMENT

Disclosed is a method of creating a digital abutment design of a customized dental abutment, the including comprising: obtaining a bone scan comprising a digital representation of at least a part of a patient's jaw including the surface of the jawbone; and designing the digital abutment design of the customized dental abutment; wherein the design of the digital abutment design is at least partly based on fulfilling a set of predefined design criteria including the relationship between the digital representation of the jawbone and the digital abutment design. 1. A method of generating a digital abutment design of a customized dental abutment , wherein the method comprises:obtaining a bone scan comprising a digital representation of at least a part of a patient's jaw including the surface of the jawbone; andgenerating the digital abutment design of the customized dental abutment;where the digital abutment design is at least partly based on fulfilling a set of predefined design criteria comprising the relationship between the digital representation of the jawbone and the digital abutment design.2. The method according to claim 1 , wherein the bone scan comprises a CBCT scan.3. The method according to claim 1 , wherein the relationship between the digital representation of the jawbone and the digital abutment design comprises the relationship between the surface of the digital representation of the jawbone and the outer surface of the digital abutment design.4. The method according to claim 1 , the method further comprising:segmenting the voxel data of the CBCT scan to provide at least a digital bone surface representation; andusing the digital bone surface representation to constrain the digital design of the customized dental abutment to confirm that the predefined design criteria have been fulfilled.5. The method according to wherein the bone scan further comprises information about the shape and position of at least part of one or more teeth adjacent to the desired ...

VISUALISING A 3D DENTAL RESTORATION ON A 2D IMAGE

A method for visualizing a 3D dental restoration on a 2D image of the mouth of a patient, the method including obtaining a 3D dental model of at least a part of the patient's oral cavity, designing the 3D dental restoration, obtaining the 2D image of the mouth of the patient, estimating a virtual camera comprising at least one virtual camera property corresponding to at least one physical camera property of the physical camera used to obtain the 2D image, viewing the 3D dental restoration using the virtual camera, determining the visible area of the 3D dental restoration, which is not overlapped by surrounding anatomic features when viewed with the virtual camera, imaging the visible area of the 3D dental restoration with the 2D image. This provides an image which with high accuracy gives the dentist and the patient a visual presentation of the final result of a dental treatment.

Visualising a 3d dental restoration on a 2d image

A method for visualising a 3D dental restoration on a 2D image of the mouth of a patient includes obtaining a 3D dental model of at least a part of the patient's oral cavity, designing the 3D dental restoration, obtaining the 2D image of the mouth of the patient, estimating a virtual camera including at least one virtual camera property corresponding to at least one physical camera property of the physical camera used to obtain the 2D image, viewing the 3D dental restoration using the virtual camera, determining the visible area of the 3D dental restoration, which is not overlapped by surrounding anatomic features when viewed with the virtual camera, imaging the visible area of the 3D dental restoration with the 2D image. This advantageously provides an image which with high accuracy gives the dentist and the patient a visual presentation of the final result of a dental treatment.

SCANNING OF EDENTULOUS PATIENTS

Disclosed is a method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone, where the method includes a step of obtaining a digital 3D representation including both surface data relating to dental tissue in one of the patient's jaws and surface data relating to a scan appliance arranged in relation to the jaw, where the scan appliance is configured for at least partly defining the patient's occlusion. 1. A method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone , the method comprising:obtaining, from an intra-oral scanner, a first digital 3D representation comprising surface data relating to dental tissue in a first one of the patient's jaws;obtaining, from an intra-oral scanner, a second digital 3D representation comprising surface data relating to dental tissue in a second one of the patient's jaws;providing a scan appliance, the scan appliance comprising a first part and an opposing structure, the first part of the scan appliance is configured to be arranged in relation to the first one of the patient's jaws, and further configured for at least partly defining the patient's occlusion in collaboration with the opposing structure at the second one of the patient's jaws, and wherein the first part of the scan appliance comprises one or more openings such that the dental tissue otherwise hidden by the scan appliance can be acquired by the intra-oral scanner while the first part of the scan appliance is placed at the first one of the patient's jaws;obtaining, from an intra-oral scanner, a third digital 3D representation comprising both surface data relating to the dental tissue in the first one of the patient's jaws and surface data relating to the first part and the opposing structure of the scan appliance when the scan appliance is arranged in relation to the first one of the ...

Common Placement Support for Artificial Teeth

Computer implemented methods and user interfaces for facilitating the design of a so-called copy denture, whereby an existing denture is reproduced after making changes to the existing denture to improve fit, aesthetics or other parameters. A method may include the steps of obtaining a digital model of an existing denture, segmenting the digital model of the existing denture into an intermediate denture base model and at least one intermediate denture teeth model, and generating a digital data file of a final denture base model based on the intermediate denture base model and providing a digital data file of at least one final denture teeth model based on the at least one intermediate denture teeth model. 1. A computer implemented method for generating a digital model of a denture comprising a digital model of a denture base and at least one digital model of denture teeth , wherein the method comprises the steps of:obtaining a digital model of an existing denture;segmenting the digital model of the existing denture into an intermediate denture base model and at least one intermediate denture teeth model; andgenerating a digital data file of a final denture base model based on the intermediate denture base model and providing a digital data file of at least one final denture teeth model based on the at least one intermediate denture teeth model.2. A computer implemented method according to claim 1 , wherein the at least one intermediate denture teeth model includes at least two intermediate denture teeth models.3. A computer implemented method according to claim 2 , wherein the at least two intermediate denture teeth models include three intermediate denture teeth models.4. A computer implemented method according to claim 1 , wherein denture teeth in each of the at least one final denture teeth model are interproximally connected.5. A computer implemented method according to claim 1 , wherein a continuous recess is provided in the final denture base model for ...

VIRTUALLY DESIGNING A CUSTOMIZED HEALING ABUTMENT

A method of virtually designing a customized healing abutment and a drill guide for a patient, where the method includes: obtaining a CT scan including at least part of the patient's jaw bone; virtually placing at least one implant relative to the jaw bone of the CT scan, such that a planned implant placement is defined; virtually designing: a drill guide for guiding the surgical drilling of a bore for the implant into the patient's jaw bone at the planned implant placement; and a customized healing abutment configured for shaping the soft tissue according to a target profile when arranged in the implant; where the design of the drill guide and of the customized healing abutment is at least partly based on the CT scan and on the planned implant placement. 128-. (canceled)30. The method according to claim 29 , wherein the method comprises obtaining a 3D surface scan comprising at least part of the teeth and at least part of the soft tissue of the patient's mouth.31. The method according to claim 29 , wherein the method comprises performing an alignment of the 3D internal scan and the 3D surface scan before designing the customized healing abutment and the drill guide.32. The method according to claim 29 , wherein the 3D internal scan is a preoperative CT scan obtained prior to the surgical drilling into the patient's jaw bone and/or wherein the 3D surface scan is a preoperative 3D surface scan obtained prior to the surgical drilling into the patient's jaw bone.33. The method according to claim 29 , wherein the method comprises virtually placing a final restoration for the implant.34. The method according to claim 33 , wherein the final restoration is virtually placed before virtually placing the implant.35. The method according to claim 33 , wherein the method comprises virtually designing the final restoration.36. The method according to claim 35 , wherein the design of the final restoration is at least partly based on the design of the customized healing abutment. ...

DETECTING AND MONITORING DEVELOPMENT OF A DENTAL CONDITION

A method, user interface and system for detecting and monitoring development of a dental condition. In particular, detecting and monitoring such a development by comparing digital 3D representations of the patient's set of teeth recorded at a first and a second point in time. For example, determining tooth movement for at least one tooth between the first and second point in time based on derived distances. 1. A method for determining an orientation and position of a dental implant arranged in a patient's jawbone , the method comprisingobtaining a digital 3D representation of a healing abutment that is arranged in the dental implant;aligning a CAD model of the healing abutment with the obtained digital 3D representation of the healing abutment;determining an orientation and position of the obtained digital 3D representation of the healing abutment based on the alignment of the CAD model and obtained digital 3D representation; andderiving an orientation and position of the dental implant in the patient's jaw based on the determined orientation and position of the obtained digital 3D representation.2. The method according to claim 1 , wherein deriving the orientation and position of the dental implant in the patient's jaw is based on a code providing information relating to the healing abutment.3. The method according to claim 2 , wherein the information comprises shape and size of the healing abutment.4. The method according to claim 1 , wherein deriving the orientation and position of the dental implant is performed during osseointegration of the dental implant in the patient's jaw.5. The method according to claim 1 , wherein the healing abutment claim 1 , corresponding to the digital 3D representation claim 1 , arranged in the dental implant comprises the healing abutment being firmly attached to the dental implant such that a change in the dental implant position and orientation results in a corresponding change in the position and orientation of the healing ...

SUPPORT OF REMOVABLE COMPONENTS IN A TEETH MODEL MANUFACTURED BY MEANS OF CAM

A physical model of a set of teeth, wherein the physical model includes a gingival part in which a cavity comprising a cavity wall is formed; and a removable component having a part shaped as a tooth, where the removable component is configured for fitting into the cavity with a gap at an interface between the removable component and the cavity wall. The removable component or the cavity wall includes one or more supporting elements extending across the gap to establish contact between the removable component and the cavity wall to support and position the removable component in the cavity, and where contact between the removable component and the cavity wall at the interface only is provided by the supporting elements. 1. A physical model of a set of teeth , wherein the physical model comprises:a gingival part in which a cavity comprising a cavity wall is formed; anda removable component comprising a part shaped as a tooth, where the removable component is configured for fitting into the cavity with a gap at an interface between the removable component and the cavity wall;where the removable component or the cavity wall comprises one or more supporting elements extending across the gap to establish contact between the removable component and the cavity wall to support and position the removable component in the cavity, and where contact between the removable component and the cavity wall at the interface only is provided by the supporting elements.2. The physical model according to claim 1 , wherein the tooth shaped part of the removable component comprises a tooth preparation.3. The physical model according to claim 1 , wherein the supporting elements comprise one or more friction points providing friction between the removable component and the cavity wall.4. The physical model according to claim 1 , wherein the supporting elements are configured to provide that their volume overlap at least partly with a volume of the removable component or the cavity wall when ...

VISUALISING A 3D DENTAL RESTORATION ON A 2D IMAGE

A method for visualising a 3D dental restoration on a 2D image of the mouth of a patient includes obtaining a 3D dental model of at least a part of the patient's oral cavity, designing the 3D dental restoration, obtaining the 2D image of the mouth of the patient, estimating a virtual camera including at least one virtual camera property corresponding to at least one physical camera property of the physical camera used to obtain the 2D image, viewing the 3D dental restoration using the virtual camera, determining the visible area of the 3D dental restoration, which is not overlapped by surrounding anatomic features when viewed with the virtual camera, imaging the visible area of the 3D dental restoration with the 2D image. This advantageously provides an image which with high accuracy gives the dentist and the patient a visual presentation of the final result of a dental treatment. 1. A method for visualising a 3D dental restoration on a 2D image of a mouth of a patient , wherein the method comprises:obtaining a 3D dental model of at least a part of the patient's oral cavity,designing the 3D dental restoration on the 3D dental model,obtaining the 2D image of the mouth of the patient,selecting only a visible portion of the 3D dental model that corresponds to the 3D dental restoration, andimaging only the selected visible portion of the 3D dental model with the 2D image, wherein the 2D image is not visible at the selected portion of the 3D dental model.2. A method according to claim 1 , wherein the method further comprises:determining the visible portion of the 3D dental restoration with the 3D dental restoration placed in the 3D dental model.3. A method according to claim 2 , further comprising:marking at least a first, second, third and fourth reference point on the 2D image and corresponding to at least first, second, third and fourth reference points on the 3D dental model,aligning the at least first second, third and fourth reference point with the respective ...

DETECTION OF A MOVABLE OBJECT WHEN 3D SCANNING A RIGID OBJECT

Detecting a movable object in a location includes providing a first 3D representation of at least part of a surface; providing a second 3D representation of at least part of the surface; determining for the first 3D representation a first excluded volume in space where no surface can be present; determining for the second 3D representation a second excluded volume in space where no surface can be present; if a portion of the surface in the first 3D representation is located in space in the second excluded volume, the portion of the surface in the first 3D representation is disregarded in the generation of the virtual 3D model, and/or if a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded in the generation of the virtual 3D model. 1. A method for detecting a movable object in a location , when scanning a rigid object in the location by means of a 3D scanner for generating a virtual 3D model of the rigid object , wherein the method comprises:providing a first 3D representation of at least part of a surface by scanning at least part of the location;providing a second 3D representation of at least part of the surface by scanning at least part of the location;determining for the first 3D representation a first excluded volume in space where no surface can be present in both the first 3D representation and the second 3D representation; andif a portion of the surface in the second 3D representation is located in space in the first excluded volume, the portion of the surface in the second 3D representation is disregarded in the generation of the virtual 3D model.251-. (canceled)52. The method according to claim 1 , wherein the rigid object is a patient's set of teeth claim 1 , and the location is the mouth of the patient.53. The method according to claim 1 , wherein the movable object is a soft tissue part of a patient's mouth.54. The method ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. A scanner for determining the 3D geometry of at least a part of the surface of an object , said scanner comprising:at least one camera accommodating an array of sensor elements,a light source for generating a probe light incorporating a spatial pattern,an optical system for transmitting the probe light towards the object thereby illuminating at least a part of the object with said spatial pattern in one or more configurations and for transmitting at least a part of the light returned from the object to the camera,a focus element within the optical system for varying a position of the focus plane of the spatial pattern on the object, and compare a reference signal representing the probe light incorporating the spatial pattern with an input signal representing the light returned from the object to the camera for each of a plurality of image pixels over a range of focus plane positions, or each of a plurality of groups of image pixels over a range of focus plane positions,', 'generate a correlation measure based on the comparison for each of the plurality of image pixels or each of the plurality of groups of image ...

AUTOMATED PRODUCTION OF DENTAL RESTORATION

A method for manufacturing/producing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a computer-aided design (CAD design) of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration. 1. (canceled)2. A method for manufacturing/producing a dental restoration for a patient , where the method comprises:obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site;obtaining a computer-aided design (CAD design) of the dental restoration;milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design;transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; andperforming post-processing of the outside surface of the restoration,wherein the restoration comprises a protrusion ...

METHOD OF MODIFYING THE GINGIVAL PART OF A VIRTUAL MODEL OF A SET OF TEETH

Disclosed is a method of generating and modifying a virtual model of a set of teeth, where the method provides that a restoration can be inserted into a physical model of the set of teeth manufactured from the virtual model of the set of teeth. A method of and a system for generating a virtual model of a set of teeth for manufacturing a physical model of the set of teeth, and to a physical model of a set of teeth. 1. (canceled)2. A computer program product embodied in a non-transitory computer readable storage medium , the computer program product comprising computer readable program code executable by a hardware data processor to cause the hardware data processor to:obtain a virtual model of a patient's set of teeth, said set of teeth comprising a region configured for insertion of a restoration, the region being located in a gingival part of the set of teeth, and at least part of the gingiva surrounding said region;obtain a virtual model of said restoration; andcreate a modified virtual model of the set of teeth by modifying the gingival part of the virtual model of the set of teeth to remove an overlap between a volume of the virtual model of said restoration and a volume of said gingival part of the virtual model of the set of teeth, wherein the modifying comprises subtracting the virtual model of the restoration from the virtual model of the set of teeth.3. The computer program product according to claim 2 , wherein the computer readable program code is executable by the hardware data processor to cause the hardware data processor to enlarge at least part of the virtual model of the restoration is before the subtraction from the virtual model of the set of teeth.4. The computer program product according to claim 3 , wherein the computer readable program code is executable by the hardware data processor to cause the hardware data processor to provide that a surface of the modified virtual model of the set of teeth formed by the subtraction of the enlarged ...

Detecting and monitoring development of a dental condition

Disclosed is a method, user interface and system for detecting and monitoring development of a dental condition. In particular the invention relates to detecting and monitoring such a development by comparing digital 3D representations of the patient's set of teeth recorded at a first and a second point in time.

IMPRESSION SCANNING FOR MANUFACTURING OF DENTAL RESTORATIONS

A method of obtaining orientation and localization of at least one dental implant includes the following steps: (a) obtaining an impression comprising at least one fixated impression abutment corresponding to the at least one dental implant(s) and/or obtaining an impression comprising at least one fixated impression abutment corresponding to the at least one dental implant(s) on which is mounted a scan implant/analog (b) obtaining pre-determined information of the shape of the impression abutment and/or scan implant/analog, (c) scanning at least a part of the impression, wherein the part includes the at least one impression abutment and/or scan implant/analog thereby obtaining scan data, (d) determining the orientation and localization of the dental implant based on the pre-determined information and the scan data. 1. (canceled)2. A method of manufacturing a dental model of at least a part of a jaw , the method comprising:obtaining a three-dimensional model of at least the said part of the jaw by either impression scanning, in-the mouth scanning, CT, MR or x-ray scans, scanning of a positive model or a combination thereof,manufacturing a dental model from the obtained three-dimensional model, andincluding at least one implant analog in the dental model.3. The method of claim 2 , wherein the implant analog is included by adding a virtual slot to the obtained three-dimensional model and mounting said implant analog in the resulting slot of the manufactured dental model.4. The method of claim 2 , wherein the implant analog is included by manufacturing the implant analog as an integrated part of the manufacturing process.5. The method of claim 2 , comprising inverting the surface orientation of the three-dimensional model prior to manufacturing.6. The method of claim 2 , comprising attaching the surface of the three-dimensional model to a CAD base prior to manufacturing.7. The method of claim 2 , comprising obtaining a virtual solid model from the three-dimensional ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. (canceled)2. An intraoral scanner for determining the 3D geometry and color of at least a part of the surface of an object in an oral cavity , the intraoral scanner comprising:a tip configured to be inserted into the oral cavity;at least one camera accommodating an array of sensor elements;a pattern generator configured to generate, using a light source, a probe light with a plurality of configurations in the form of a time-varying illumination pattern;an optical system for transmitting the probe light, via the tip, towards the object along an optical path thereby illuminating at least a part of the object with the time-varying illumination pattern, and for transmitting at least a part of the light returned from the object to the at least one camera to form a plurality of 2D images, wherein the 3D geometry is determined based on the plurality of 2D images and the time-varying illumination pattern;one or more motion sensors located on the intraoral scanner to measure three-dimensional motion of the intraoral scanner, wherein the intraoral scanner is wireless; and{'claim-text': ['selectively switch a color of the ...

AUTOMATED PRODUCTION OF DENTAL RESTORATION

A method for manufacturing a dental restoration for a patient, where the method includes: obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site; obtaining a CAD design of the dental restoration; milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design; transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; and performing post-processing of the outside surface of the restoration. 1. A method for manufacturing/producing a dental restoration for a patient , where the method comprises:obtaining a 3D scan of at least a restoration site of the patient's mouth, where the manufactured dental restoration is adapted for fitting to the restoration site;obtaining a computer-aided design (CAD design) of the dental restoration;milling the restoration from a material, where the restoration is milled both on an inside surface configured for fitting to the shape of the restoration site of the patient's mouth and on an outside surface, where the milling is according to the obtained CAD design;transferring the milled restoration to a retention means providing a fixed known position of the restoration relative to a post-processing machinery, where the restoration is retained on the inside surface, such that the outside surface of the restoration is approachable/free/accessible; andperforming post-processing of the outside surface of the restoration.2. The method according to claim 1 , wherein the post-processing is performed fully automated ...

MODELING AND MANUFACTURING OF DENTURES

A method for creating a digital model of a denture for a patient, where the denture includes a gingival part and artificial teeth, includes obtaining digital models of artificial teeth representing the artificial teeth; obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva; digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth; digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; and digitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth. 1obtaining digital models of artificial teeth representing the artificial teeth;obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva;digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth;digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; anddigitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth.. A method for creating a digital model of a denture for a patient, where the denture comprises a gingival part and artificial teeth, the method comprises: The present application is a continuation of U.S. Ser. No. 15/402,874, which is a continuation of U.S. Ser. No. 13/877,064, now U.S. Pat. No. 9,566,138 B2, which is a national stage application of PCT/DK11/50370, ...

DESIGNING A VIRTUAL PREPARATION AND A VIRTUAL GINGIVAL

A computer product for generating a digital 3D model for use in a dental component based on a digital 3D model of the dental component showing a shape of the teeth and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended, said product causing a system to generate a digital 3D combined model representing a target dental situation when the dental component is arranged at the teeth, where the instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and adding the digital 3D model of the dental component to the digital 3D representation of the pre-prepared set of teeth. 1. A computer program product encoded on a non-transitory computer readable medium for generating a digital 3D combined model for use in planning and visualization of a dental component based on a digital 3D model of the dental component showing a desired shape of the teeth of the dental component and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended , said computer program product comprising computer-executable instructions for causing a data processing system to generate a digital 3D combined model representing a target dental situation for the patient when the dental component is arranged at the teeth , where the computer-executable instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and digitally adding the digital 3D model of the dental component to the digital 3D representation of the pre ...

MODELING AND MANUFACTURING THE SUPERSTRUCTURE FOR A DENTURE

A system and a method for providing a model of a superstructure joining a denture and a corresponding dental arch, the method includes the steps of obtaining a first 3D representation of at least a part of a preliminary model of the denture, obtaining a second 3D representation of at least a part of the dental arch comprising dental implants, and generating a model of a superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations. 1. A method for providing a model of a superstructure joining a denture and a corresponding dental arch , the method comprising:obtaining a first 3D representation of at least a part of a preliminary model of the denture,obtaining a second 3D representation of at least a part of the dental arch comprising dental implants,generating a model of the superstructure based on the first 3D representation, the second 3D representation, dental implant positions and dental implant orientations, andsegmenting teeth and gingiva or segmenting individual teeth in the first or second 3D representation, at least partly based on texture information in the 3D representations.2. The method according to claim 1 , wherein generating the model of the superstructure is further based on template superstructure elements and/or predefined dental and superstructure parameters.3. The method according to claim 1 , wherein the method further comprises:combining the first and second 3D representations to provide a third 3D representation of at least part of the preliminary model of the denture where a gingival side of the third 3D representation corresponds to the second 3D representation.4. The method according to claim 1 , wherein the method further comprises virtually modeling the superstructure based on the second 3D representation and/or the third 3D representation.5. The method according to claim 3 , wherein the method further comprises virtually modeling the final denture based on the ...

MODELING A DIGITAL DESIGN OF A DENTURE

A method for modeling a digital design of a denture for a patient, the denture includes a gingival part and a teeth part including a set of denture teeth, where the method includes obtaining a digital 3D representation of the patient's gum; obtaining virtual teeth models corresponding to the denture teeth; virtually arranging the virtual teeth models in relation to the digital 3D representation of the patient's gum; and generating a virtual outer gingival surface of the gingival part of the denture. 1. (canceled)2. A method for modeling a digital design of a denture for a patient , said denture comprising a gingival part and a teeth part comprising a set of denture teeth , where the method comprises:obtaining a digital 3D representation of the patient's gum;obtaining a digital 3D representation of a lower wax rim or obtaining a digital 3D representation of an upper wax rim;obtaining virtual teeth models corresponding to the denture teeth;arranging the teeth models relative to the 3D representation of the patient's gum, wherein the arranging is based on the digital 3D representation of the patient's gum and at least one of the digital 3D representation of the lower wax rim and the digital 3D representation of the upper wax rim; andgenerating a virtual outer gingival surface of the gingival part of the denture.3. The method according to claim 2 , wherein the 3D representation of the lower wax rim and the 3D representation of the upper wax rim represent a space available for the denture teeth and the gingival part.4. The method according to claim 2 , wherein the method comprises providing a straight occlusal plate or a curved occlusal plate.5. The method according to claim 2 , wherein the method comprises forming an upper wax rim for the patient's maxillary arch and forming a lower wax rim for the patient's mandibular arch.6. The method according to claim 5 , wherein the method comprises obtaining a digital 3D representation of the lower wax rim and obtaining a digital ...

TOOLS FOR CUSTOMIZED DESIGN OF DENTAL RESTORATIONS

Tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, a computer-readable medium for implementing such a system on a computer. A system for designing at least one dental restoration, said system including: a display, means for acquiring and displaying a three dimensional dental restoration model of the dental restoration, and means for displaying a plurality of control points, each of the control points corresponding to a respective location on the dental restoration model, and each of said control points enabling manual customization of the dental restoration model. 13-. (canceled)4. A non-transitory computer readable medium embedded with a computer program providing a graphical user interface for a computer system for designing at least one dental restoration by a method comprising:displaying on a display of the computer system a three dimensional dental restoration model of the dental restoration, anddisplaying on the display of the computer system a plurality of control points at the dental restoration model, each of the control points corresponding to a respective location on the dental restoration model and each of said control points being user-adjustable to manually customize the dental restoration model.5. The computer readable medium according to claim 4 , wherein a control point is activated by moving a mouse cursor within a predetermined distance of said control point.6. The computer readable medium according to claim 5 , wherein the control point is activated by moving the mouse cursor within a distance of 10 pixels from the control point.7. The computer readable medium according to claim 4 , wherein the control points only are visible when a mouse cursor is within a distance of 10 pixels from the dental restoration model.8. The computer readable medium according to claim 4 , wherein ...

Modeling a digital design of a denture

Disclosed is a method for modeling a digital design of a denture for a patient, said denture comprising a gingival part and a teeth part comprising a set of denture teeth, where the method comprises: obtaining a digital 3D representation of the patient's gum; obtaining virtual teeth models corresponding to the denture teeth; virtually arranging the virtual teeth models in relation to the digital 3D representation of the patient's gum; and generating a virtual outer gingival surface of the gingival part of the denture

Modeling and manufacturing of dentures

A method for creating a digital model of a denture for a patient, where the denture includes a gingival part and artificial teeth, includes obtaining digital models of artificial teeth representing the artificial teeth; obtaining a 3D scan comprising a digital representation of at least part of the patient's existing gingiva; digitally modeling a gingival part of the digital model of the denture using the 3D scan and the digital artificial teeth; digitally determining a first offset defining a first thickness of a first portion of the gingival part of the digital model of the denture that extends from the digital representation of the at least part of the patient's existing gingiva; and digitally determining a second offset defining a second thickness of a second portion of the gingival part of the digital model of the denture that extends from the digital artificial teeth.

DETECTING TOOTH SHADE

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values. 1. A computer-readable medium comprising one or more computer-executable instructions that , when executed by at least one processor of a computing device , cause the computing device to:obtaining a digital 3D representation of the tooth based on scan data provided by an intraoral scanner, where the digital 3D representation comprises shape data and texture data for the tooth; anddetermining a tooth shade value for at least one point on the tooth based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values,wherein the computer-readable medium comprises deriving a certainty score expressing the certainty of the determined tooth shade value.2. The computer-readable medium according to claim 1 , wherein determining the tooth shade value for the point comprises selecting the reference tooth shade value with the known texture value closest to the texture data of the point.3. The computer-readable medium according to claim 1 , wherein determining the tooth shade value for the point comprises an interpolation of the two or more reference tooth shade values having known texture values close to the texture data of the point.4. The computer-readable medium according to claim 1 , wherein the medium comprises generating a visual representation of the certainty score and displaying this visual representation in a user interface.5. The computer-readable medium according to claim 4 , wherein the visual representation of the certainty score is displayed ...

DETECTING TOOTH SHADE

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values. 1. A system for determining shade of a patient's tooth , wherein the system comprises:a computer device including a computer readable medium and a processor,an intraoral scanner configured to provide scan data, andwherein the computer device is configured to obtain a digital 3D representation of the patient's set of teeth based on the scan data, and the digital 3D representation includes shape data and texture data for the tooth, and the digital 3D representation is stored in the computer readable medium and provided to the processor, and wherein the processor is configured to:determine a tooth shade value for at least one point on the tooth based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values, andderive a certainty score expressing the certainty of the determined tooth shade value.2. The system according to claim 1 , wherein the determining of the tooth shade value for the point comprises selecting the reference tooth shade value with the known texture value closest to the texture data of the point.3. The system according to claim 1 , wherein the determining of the tooth shade value for the point comprises an interpolation of the two or more reference tooth shade values having known texture values close to the texture data of the point.4. The system according to claim 1 , comprises a user interface configured to displaying the certainty score.5. The system according to claim 1 , is configured to forward the tooth shade value to a unit ...

A METHOD FOR ALIGNING DIGITAL REPRESENTATIONS OF A PATIENT?S JAWS

A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient, the method including segmenting the 3D digital representations to determine the shape and position of each of the patient's teeth in each of the 3D digital representations; and using a set of known anatomical concepts to constrain the fit of the two 3D digital representations to get a preliminary fit. 1. A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient , the method comprising:obtaining an impression scan of at least the part of each of the upper and lower jaw of the patient;converting the impression scans to 3D digital representations of the at least a part of the upper and lower jaw of the patient;segmenting the 3D digital representations to determine the shape and position of each of the teeth in the 3D digital representations; andaligning the 3D digital representations based on the relationship between complementary points of the teeth in each of the 3D digital representations.2. The method according to claim 1 , wherein the complementary points are determined automatically based on a classification of the bite of the patient.3. The method according to wherein the complementary points are marked manually on the 3D digital representations.4. The method according to claim 1 , wherein the preliminary fit of the two 3D digital representations is automatically optimized using a minimum energy algorithm.5. A method of aligning two 3D digital representations of at least a part of each of the upper and lower jaw of a patient claim 1 , the method comprising:segmenting the 3D digital representations to determine the shape and position of each of the patient's teeth in each of the 3D digital representations; andusing a set of known anatomical concepts to constrain the fit of the two 3D digital representations to get a preliminary fit.6. The method according to claim 5 , wherein ...

TOOLS FOR CUSTOMIZED DESIGN OF DENTAL RESTORATIONS

The present disclosure relates to tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, the disclosure relates to a computer-readable medium for implementing such a system on a computer. 2. The system according to claim 1 , wherein the view or display of at least a part of the dental model is orientation dependent.3. The system according to claim 1 , wherein at least a part of the dental model is invisible when said part is in front of the dental restoration model claim 1 , whereby the dental restoration model is viewable and accessible for the user.4. The system according to claim 1 , wherein the transparency of the dental model is variable.5. The system according to claim 1 , wherein the transparency of the dental model is increased when the mouse cursor is close to a control point beneath the occluding model surface claim 1 , whereby the control point and the dental restoration model can be seen through the dental model.6. The system according to claim 1 , wherein the dental restoration model can be seen for any orientation of the dental model.710. The system according to claim 1 , wherein the control points are only visible when the mouse cursor is within a distance of pixels from the dental restoration model.8. The system according to claim 1 , wherein at least two dental restoration models are shown simultaneously and wherein only the control points of the dental restoration model closest to the mouse cursor are visible.9. The system according to claim 1 , wherein the control points preferably are located at the edges of the dental restoration model.10. The system according to claim 1 , wherein a control point is activated by moving the mouse cursor close to said control point claim 1 , such as within a distance of 10 pixels from the control point.11. The system according to claim 1 , ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. (canceled)2. A scanner for determining the 3D geometry and color of at least a part of the surface of an object , said scanner comprising:at least one camera accommodating an array of sensor elements,a light source for generating a probe light,an optical system for transmitting the probe light towards the object along an optical path thereby illuminating at least a part of the object in a plurality of configurations and for transmitting at least a part of the light returned from the object to the at least one camera,wherein the plurality of configurations is in the form of a time-varying illumination pattern, such that the 3D geometry is determined based on the time-varying illumination pattern, and selectively switch a color of the probe light, thereby illuminating the object with different colors at different times,', 'record different images by the at least one camera at the different times, thereby recording images of the object with the different colors, and', 'combine the different colors from the different images, thereby obtaining the color of the surface of the object., 'a hardware processor configured ...

INTRAORAL SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. A handheld intraoral scanner for determining the 3D geometry and color of at least a part of the surface of an object in an oral cavity , the intraoral scanner comprising:a housing,a probe configured to be detachable mounted on the housing and configured to be inserted into the oral cavity;at least one camera accommodating an array of sensor elements;a pattern generator configured to generate, using a light source, a probe light with a plurality of configurations in the form of a time-varying illumination pattern;an optical system configured to transmit the probe light, via the probe, towards the object along an optical path thereby illuminating at least a part of the object with the time-varying illumination pattern, and to transmit at least a part of the light returned from the object to the at least one camera to form a plurality of 2D images, wherein the 3D geometry is determined based on the plurality of 2D images and the time-varying illumination pattern;one or more motion sensors located on the intraoral scanner to measure three-dimensional motion of the intraoral scanner; andwherein heat generated in the ...

INTRAORAL SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. A handheld intraoral scanner for determining the 3D geometry and color of at least a part of the surface of an object in an oral cavity , the intraoral scanner comprising:a tip configured to be inserted into the oral cavity;at least one camera accommodating an array of sensor elements;a pattern generator configured to generate, using a light source, a probe light with a plurality of configurations in the form of a time-varying illumination pattern;an optical system configured to transmit the probe light, via the tip, towards the object along an optical path thereby illuminating at least a part of the object with the time-varying illumination pattern, and to transmit at least a part of the light returned from the object to the at least one camera to form a plurality of 2D images, wherein the 3D geometry is determined based on the plurality of 2D images and the time-varying illumination pattern, wherein the intraoral scanner is wireless; and selectively switch a color of the probe light to illuminate the object with different colors at different times;', 'record images of the object with different colors by ...

DENTAL PREPARATION GUIDE

A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration. 1. (canceled)2. A method for evaluating a previous preparation of at least one tooth , the method comprisingobtaining a digital 3D representation of a prepared set of teeth comprising a digital 3D representation of the previous preparation of at least one tooth;obtaining a virtual 3D dental preparation guide or a virtual validation surface configured for evaluating the previous preparation of the at least one tooth;virtually aligning the digital 3D representation of the prepared set of teeth and virtual 3D dental preparation guide/virtual validation surface; andevaluating the previous preparation of the at least one tooth by determining, based on the virtual alignment, whether further preparation of the previous preparation of the at least one tooth is required to accept a dental restoration.3. The method according to claim 2 , further comprising generating the virtual 3D dental preparation guide or virtual validation surface based on the obtained digital 3D representation of the prepared set of teeth.4. The method according to claim 2 , wherein obtaining the virtual 3D dental preparation guide comprises generating the virtual 3D dental preparation guide byvirtually forming a remaining set of teeth by virtually removing the at least one tooth ...

DESIGNING AN INSERTABLE DENTAL RESTORATION

A method of designing a virtual 3D model of a dental restoration for a target site of a patient's set of teeth, the method including-obtaining a digital 3D representation of the set of teeth, the digital 3D representation comprising a section corresponding to the target site; determining an insertion path for the dental restoration to the target site; and designing the virtual 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing includes generating an outer surface of the virtual 3D model, where the determined insertion path and the outer surface of the designed virtual 3D model provide that a dental restoration manufactured from the designed virtual 3D model can be moved along the insertion path to the target site. 148-. (canceled)49. A method of designing a 3D model of a dental restoration for a target site of a patient's set of teeth , said method comprising:obtaining a digital 3D representation of the set of teeth, said digital 3D representation comprising a section corresponding to the target site and a neighbor section corresponding to at least part of one tooth surrounding the target site;determining an insertion path for the dental restoration to the target site; anddesigning the 3D model of the dental restoration based on the digital 3D representation of the set of teeth, where the designing comprises generating an outer surface of the 3D model, wherein the designing comprises evaluating the generated outer surface with respect to collision(s) with the neighbor section;wherein the determined insertion path and the outer surface of the designed 3D model provide that a dental restoration manufactured from the designed 3D model can be moved along the insertion path to the target site.50. The method according to claim 49 , wherein the designing comprises modifying the generated outer surface.51. The method according to claim 49 , wherein the method comprises determining a limiting volume of the ...

Detecting and monitoring development of a dental condition

A method, user interface and system for detecting and monitoring development of a dental condition. In particular, detecting and monitoring such a development by comparing digital 3D representations of the patient's set of teeth recorded at a first and a second point in time. For example, determining tooth movement for at least one tooth between the first and second point in time based on derived distances.

3D SYSTEM AND METHOD FOR GUIDING OBJECTS

An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code. 1. (canceled)2. A 3D guiding system for guiding a relative movement of a dental tool and a dental situation , the 3D guiding system comprises:a non-transitory computer-readable medium configured for at least temporary storing:a 3D-model of the dental situation, wherein the 3D-model is based on sub-surface scanning of the dental situation such that the 3D-model comprises data relating to an interior structure of the dental object;program code for determining a present relative arrangement of the dental tool and the dental situation based on the 3D-model of the dental situation; andprogram code for calculating information for guiding the relative movement of the dental tool and the dental situation towards a first preferred relative arrangement from said present relative arrangement; andan information displaying device configured for displaying the calculated information to an operator.3. 3D guiding system according to claim 2 , wherein the sub-surface scanning is performed by Magnetic Resonance Imaging.4. 3D guiding system according to claim 2 , wherein the sub-surface scanning ...

ALIGNMENT OF DENTAL MODEL USING 2D PHOTOGRAPH

A method for setting the axis of rotation between a virtual maxillary model and a virtual mandible model to a virtual hinge axis representing the axis of rotation of the mandibular condyles includes the steps of, obtaining at least one 2D photograph of the face of a patient comprising at least one facial feature, obtaining a virtual dental model comprising the virtual maxillary model and the virtual mandible model representing at least a part of the dental situation of the patient, aligning the virtual dental model with the at least one facial feature, determining the virtual hinge axis based on the at least one 2D photograph, and setting the axis of rotation to the virtual hinge axis. 1. A method for setting the axis of rotation between a virtual maxillary model and a virtual mandible model to a virtual hinge axis representing the axis of rotation of the mandibular condyles , the method comprises the steps of:{'b': '2', 'obtaining at least one D photograph of the face of a patient comprising at least one facial feature,'}obtaining a virtual dental model comprising the virtual maxillary model and the virtual mandible model representing at least a part of the dental situation of the patient,aligning the virtual dental model with the at least one facial feature,determining the virtual hinge axis based on the at least one 2D photograph, andsetting the axis of rotation to the virtual hinge axis.2. A method according to claim 1 , wherein the method further comprises arranging the virtual dental model in a virtual articulator simulating a corresponding physical articulator comprising the steps of:defining an alignment reference plane in the 2D photograph,arranging the virtual dental model in the virtual articulator by aligning the articulator alignment plane with a corresponding alignment reference plane in the virtual articulator.3. A method according to claim 2 , wherein the reference alignment plane in the 2D photograph is the Frankfurt plane.4. A method according to ...

SYSTEM AND METHOD FOR EFFECTIVE PLANNING, VISUALIZATION, AND OPTIMIZATION OF DENTAL RESTORATIONS

Disclosed is a method for planning, visualizing, and/or optimizing dental restoration on at least a part of the pre-prepared teeth of a patient, wherein said method include the steps of: providing at least one 3D digital model of at least a part of the pre-prepared teeth; designing at least one dental restoration CAD model based on the 3D digital model of at least a part of the pre-prepared teeth; providing at least one 3D digital model of at least a part of the prepared teeth, where the prepared teeth are provided by preparing the pre-prepared teeth by dental restorative work, at least partly based on the dental restoration CAD model; and aligning the 3D models of the pre-prepared and the prepared teeth. 1. (canceled)2. A computer program product embodied in a non-transitory computer readable medium , the computer program product comprising computer readable program code being executable by a hardware data processor to cause the hardware data processor to:obtain a facial 3D digital model of the patient with at least a part of the teeth being visible;obtain a dental restoration CAD model;align the dental restoration CAD model with the visible teeth in the facial 3D digital model; andvisualize a dental restoration along with the patient's face by displaying the dental restoration CAD model aligned with the visible teeth in the facial 3D digital model.3. The computer program product according to claim 2 , the computer readable program code being executable by the hardware data processor to cause the hardware data processor to cut and/or remove teeth from the obtained facial 3D digital model.4. The computer program product according to claim 2 , the computer readable program code being executable by the hardware data processor to cause the hardware data processor to obtain a 3D digital model of at least a part of the patient's pre-prepared teeth.5. The computer program product according to claim 4 , the computer readable program code being executable by the hardware ...

DETECTING TOOTH SHADE

Disclosed in a method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation including shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values. 1. A method for determining shade of a patient's tooth , wherein the method comprises:obtaining a digital 3D representation of the tooth, where the digital 3D representation comprises shape data and texture data for the tooth; anddetermining a tooth shade value for at least one point on the tooth based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.2. The method according to claim 1 , wherein determining the tooth shade value for the point comprises selecting the reference tooth shade value with the known texture value closest to the texture data of the point.3. The method according to claim 1 , wherein determining the tooth shade value for the point comprises an interpolation of the two or more reference tooth shade values having known texture values close to the texture data of the point.4. The method according to claim 1 , wherein the method comprises deriving a certainty score expressing the certainty of the determined tooth shade value.5. The method according to claim 4 , wherein the method comprises generating a visual representation of the certainty score and displaying this visual representation in a user interface.6. The method according to claim 5 , wherein the visual representation of the certainty score is displayed together with or is mapped onto the digital 3D representation of the tooth.7. The method according to claim 4 , wherein the method comprises comparing the derived certainty score with a range of acceptable ...

MULTIPLE BITE CONFIGURATIONS

A method of digitally designing a dental component for a patient, wherein the method includes: obtaining a 3D representation of the patient's upper jaw; obtaining a 3D representation of the patient's lower jaw; obtaining at least a first 3D representation of a first bite configuration of the patient's jaws in a first occlusion and a second 3D representation of a second bite configuration of the patient's jaws in a second occlusion different from the first occlusion; digitally determining a occlusal contact movement of the patient's jaws relative to each other based on the at least first 3D representation, the second 3D representation and contact between the patient's upper jaw and lower jaw; and digitally designing the dental component based on the occlusal contact movement of the patient's jaw relative to each other. 1. A method of designing a dental component for a patient , wherein the method comprises:obtaining a 3D representation of the patient's upper jaw;obtaining a 3D representation of the patient's lower jaw;obtaining at least a first 3D representation of a first bite configuration of the patient's jaws in a first occlusion and a second 3D representation of a second bite configuration of the patient's jaws in a second occlusion different from the first occlusion;digitally determining a occlusal contact movement of the patient's jaws relative to each other based on the at least first 3D representation, the second 3D representation and contact between the patient's upper jaw and lower jaw; anddigitally designing the dental component based on the occlusal contact movement of the patient's jaw relative to each other.2. A method according to claim 1 , wherein digitally determining the occlusal contact movement comprises a consecutive sequence of at least two 3D representations of bite configurations of the patient's jaws in respective occlusions.3. The method according to claim 2 , wherein the method further comprises obtaining the consecutive sequence of at ...

DETECTING TOOTH SHADE

A method, a user interface and a system for use in determining shade of a patient's tooth, wherein a digital 3D representation includes shape data and texture data for the tooth is obtained. A tooth shade value for at least one point on the tooth is determined based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values. 1. A method for determining shade of a patient's tooth , wherein the method comprises:obtaining a digital 3D representation of the tooth, where the digital 3D representation comprises shape data and texture data for the tooth; anddetermining a tooth shade value for at least one point on the tooth based on the texture data of the corresponding point of the digital 3D representation and on known texture values of one or more reference tooth shade values.2. The method according to claim 1 , wherein determining the tooth shade value for the point comprises selecting the reference tooth shade value with the known texture value closest to the texture data of the point.3. The method according to claim 1 , wherein determining the tooth shade value for the point comprises an interpolation of the two or more reference tooth shade values having known texture values close to the texture data of the point.4. The method according to claim 1 , wherein the method comprises deriving a certainty score expressing the certainty of the determined tooth shade value.5. The method according to claim 4 , wherein the method comprises generating a visual representation of the certainty score and displaying this visual representation in a user interface.6. The method according to claim 5 , wherein the visual representation of the certainty score is displayed together with or is mapped onto the digital 3D representation of the tooth.7. The method according to claim 4 , wherein the method comprises comparing the derived certainty score with a range of acceptable certainty score ...

DENTAL PREPARATION GUIDE

A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration includes obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth; obtaining a digital 3D representation of the prepared set of teeth; visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; and validating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration. 1. A method for validating a preparation of at least one tooth in a prepared set of teeth for determining whether the prepared tooth is capable of accepting a dental restoration , said method comprising:obtaining a virtual dental preparation guide configured for validating the preparation of the at least one tooth;obtaining a digital 3D representation of the prepared set of teeth;visualizing the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth; andvalidating from the visualization of the virtual dental preparation guide together with the digital 3D representation of the prepared set of teeth whether the prepared at least one tooth is shaped such that it can accept the dental restoration.2. The method according to claim 1 , further comprising generating the virtual dental preparation guide byvirtually forming a remaining set of teeth by virtually removing said at least one tooth from the digital 3D representation of a set of teeth;virtually providing the dental restoration expressing a target shape of the dental restoration for said at least one tooth, and virtually creating a validation surface based on the target dental restoration; andvirtually creating the dental preparation guide by ...

Focus scanning apparatus

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. (canceled)2. An intraoral scanner for determining the 3D geometry and color of at least a part of the surface of an object in an oral cavity , the intraoral scanner comprising:at least one camera accommodating an array of sensor elements;a pattern generator configured to generate, using a light source, a probe light with a plurality of configurations in the form of a time-varying illumination pattern;an optical system for transmitting the probe light towards the object along an optical path thereby illuminating at least a part of the object with the time-varying illumination pattern, and for transmitting at least a part of the light returned from the object to the at least one camera to form a plurality of 2D images, wherein the 3D geometry is determined based on the plurality of 2D images and the time-varying illumination pattern;a tip configured to be inserted into the oral cavity; and selectively switch a color of the probe light, thereby illuminating the object with different colors at different times;', 'record different images by the at least one camera at the different times, thereby recording images of ...

CUSTOMIZED DENTAL IMPRESSION TRAY

Disclosed are methods and systems for generating a virtual model of a customized impression tray and for manufacturing such a customized impression tray. A 3D digital representation of a patient's set of teeth is obtained and a virtual model of the customized impression tray is generated, where the generating comprises shaping the virtual model of the customized impression tray according to the 3D digital representation. 154-. (canceled)55. A method generating a virtual model of a customized impression tray comprising labial and lingual side-walls , where said customized impression tray is for obtaining an impression of a set of teeth , said method comprising:a) obtaining a 3D digital representation of the set of teeth, where said 3D digital representation comprises a labial surface and a lingual surface of the set of teeth; andb) generating the virtual model of the customized impression tray, where the virtual model comprises portions corresponding to surfaces of the labial and lingual side-walls facing surfaces of the set of teeth, and where said generating comprises shaping the virtual model of the customized impression tray according to the 3D digital representation.56. The method according to claim 55 , wherein generating the virtual model comprises defining one or more virtual planes in relation to the 3D digital representation claim 55 , and wherein the virtual model is shaped based on the one or more virtual planes.57. The method according to claim 56 , wherein said one or more virtual planes at least in part is defined by virtually blocking out undercut regions at the 3D digital representation.58. The method according to claim 56 , wherein an offset away from the corresponding teeth in the 3D digital representation is provided to the one or more virtual planes claim 56 , such that the virtual model is shaped based on the one or more offset virtual planes.59. The method according to claim 58 , wherein the offset corresponds to a shelling of a region of the ...

DESIGNING A DENTAL RESTORATION

A method for designing a virtual abutment for manufacturing an abutment part of a dental restoration for a patient, the dental restoration further including a crown configured for being seated at the abutment, wherein the method includes loading a virtual anatomy surface into an electronic data processing device, the virtual anatomy surface expressing a target shape of the crown portion of the dental restoration; loading an obtained virtual abutment including a virtual abutment finish line into the electronic data processing device; and modifying the obtained virtual abutment by executing one or more computer implemented algorithms using the electronic data processing device, where the algorithms are configured to adapt the shape of the obtained virtual abutment such that the virtual abutment finish line of the modified virtual abutment is aligned with the virtual anatomy surface. 1. A method for designing a virtual abutment for manufacturing an abutment part of a dental restoration for a patient , said dental restoration further comprising a crown configured for being seated at the abutment , wherein the method comprises:loading a virtual anatomy surface into an electronic data processing device, said virtual anatomy surface expressing a target shape of the crown portion of the dental restoration;loading an obtained virtual abutment comprising a virtual abutment finish line into the electronic data processing device; andmodifying the obtained virtual abutment by executing one or more computer implemented algorithms using said electronic data processing device, where the algorithms are configured to adapt the shape of the obtained virtual abutment such that the virtual abutment finish line of the modified virtual abutment is aligned with the virtual anatomy surface.2. The method according to claim 1 , where the contact between the virtual anatomy surface and the modified virtual abutment defines a virtual margin line of the virtual dental restoration.3. The method ...

DESIGNING A DENTAL POSITIONING JIG

A method, a system, and a user interface for creating a virtual positioning jig for manufacturing a positioning jig, where the manufactured positioning jig is for use in positioning a manufactured dental restoration at a patient's set of teeth, the method including: obtaining a digital 3D representation of the set of teeth; designing a virtual model of the dental restoration at the digital 3D representation; creating an inner surface and an outer surface of the virtual positioning jig; and defining a through hole of the virtual positioning jig at the implant region. 1. A method for creating a virtual positioning jig for manufacturing a positioning jig , where said manufactured positioning jig is configured for use when positioning a manufactured dental restoration at a patient's set of teeth , said method comprising:obtaining a digital 3D representation of the set of teeth, said digital 3D representation comprising an implant region portion relating to an implant region and a neighbor region portion relating to a neighbor region of the set of teeth;designing a virtual model of the dental restoration at the digital 3D representation such that the designed virtual dental restoration model is arranged according to a target arrangement relative to the digital 3D representation, said virtual dental restoration model comprising an outer restoration surface;creating an inner surface and an outer surface of the virtual positioning jig, where the inner jig surface is created based on said outer restoration surface, the target arrangement, and the neighbor region portion of the digital 3D representation; anddefining a through hole of the virtual positioning jig at the implant region portion of the digital 3D representation, where the through hole extends from the inner jig surface to the outer jig surface.2. The method according to claim 1 , wherein the method comprises visualizing the virtual dental restoration model together with the digital 3D representation.3. The method ...

MOTION BLUR COMPENSATION

Disclosed is a method for compensating for motion blur when performing a 3D scanning of at least a part of an object by means of a 3D scanner, where the motion blur occurs because the scanner and the object are moved relative to each other while the scanning is performed, and where the motion blur compensation comprises: —determining whether there is a relative motion between the scanner and the object during the acquisition of the sequence of focus plane images; —if a relative motion is determined, performing a motion compensation based on the determined motion; and —generating a 3D surface from the sequence of focus plane images. 120-. (canceled)21. A 3D scanner for performing a 3D scanning of at least a part of an object , the 3D scanner comprising:a light source for transmitting a probe light,a camera comprising an array of sensor elements,an optical system comprising optics configured for defining a focus plane on the object when the 3D scanner is arranged in relation to the object and for imaging on the camera at least part of the transmitted light returned from the object to the camera by the optical system,a focusing element configured to vary the position of the focus plane on the object by moving said focusing optics,means for generating a 3D surface image using the in-focus regions of each focus plane image together with data identifying the respective focus plane data,means for determining whether there is relative motion between the scanner and the object during the acquisition of a sequence of focus plane images so that each image in the sequence acquires data from a different portion of the object; andmeans for, when relative motion is determined, performing a motion compensation based on the determined motion to align the focus plane images with the part of the object.22. The 3D scanner according to claim 21 , wherein the determining means performs an analysis of the sequence and one or more other sequences obtained before or after said sequence.23. ...

3D SYSTEM AND METHOD FOR GUIDING OBJECTS

A method for providing a guided relative movement of a first object and a second object includes obtaining the first object; obtaining the second object and a 3D model of the second object, and deriving from the 3D model a first preferred relative arrangement between the first and second objects; obtaining a pre-process plan describing a preferred path for the relative movement of the first and second objects towards the first preferred relative arrangement; performing a movement procedure that includes 3D scanning at least a region of said second object using the 3D scanner and determining a present relative arrangement of the first and second objects from a result of the 3D scanning; calculating information for correcting in real-time for deviation in the relative movement from the preferred path; and providing a relative movement of the first and second objects towards the first preferred relative arrangement. 1. A method for providing a guided relative movement of a first object and a second object , said method comprising:obtaining the first object onto which a 3D guiding system is attached, where said 3D guiding system comprises a 3D scanner;obtaining the second object and a 3D model of the second object, and deriving from said 3D model a first preferred relative arrangement between the first and second objects;obtaining a pre-process plan describing a preferred path for the relative movement of the first and second objects towards the first preferred relative arrangement; a) 3D scanning at least a region of said second object using said 3D scanner and determining a present relative arrangement of the first and second objects from a result of the 3D scanning;', 'b) calculating information for correcting in real-time for deviation in the relative movement from the preferred path; and', 'c) providing a relative movement of said first and second objects towards the first preferred relative arrangement, where the calculated information is used for guiding the ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. (canceled)3. The intraoral scanner according to claim 2 , wherein the lighting equipment comprises a white light source configured to generate white light claim 2 , the intraoral scanner being further configured to focus the white light on the color image sensor claim 2 , the color image sensor being configured to produce data for color of the at least a part of the surface of the object from the white light focused on the color image sensor.4. The intraoral scanner according to claim 2 , wherein the tip is a distal end of the intraoral scanner from which the probe light is emitted toward the at least a part of the surface of the object.5. The intraoral scanner according to claim 2 , wherein the color image sensor comprises a color filter array.6. The intraoral scanner according to claim 5 , wherein the color filter array is a Bayer filter array.7. The intraoral scanner according to claim 2 , wherein the data for the 3D geometry is derived by calculating an image measure for several 2D images of the series of 2D images.8. The intraoral scanner according to claim 7 , wherein the image measure is defined for a ...

DRILL GUIDE ASSEMBLY

A drill guide assembly used to guide a drill into the jawbone of a patient during dental surgery includes at least one through going guide bore for guiding the drill, at least one attachment for securing a part of the drill guide assembly to the jaw of the patient during surgery, wherein the drill guide assembly includes a first part including the at least one first through going guide bore, the at least one first attachment and at least a first reference area for referring the first part to a first anatomical feature of the patient, a second part including a second reference area for referring the second part to a second anatomical feature of the patient, and a guiding structure for guiding the first part and the second into a desired configuration. 1. A drill guide assembly used to guide a drill into the jawbone of a patient during dental surgery , wherein the drill guide assembly is split into at least:a drill part comprising at least one first through going bore and at least a first reference area for referring the drill guide assembly to a first anatomical feature of the patient, andan intermediate part comprising a guiding structure for guiding the drill guide assembly into a desired configuration relative to the jawbone of the patient.2. The drill guide assembly according to claim 1 , wherein the drill guide assembly further comprises at least one first attachment on the drill part for securing the drill part of the drill guide assembly to the jaw of the patient during surgery.3. The drill guide assembly according to claim 1 , wherein the drill part and the intermediate part comprise a coupling structure for coupling the drill part and the intermediate part in a coupling arrangement.4. The drill guide assembly according to claim 3 , wherein the coupling structure comprises an at least partly convex surface on the drill part and a corresponding at least partly concave surface on the intermediate part.5. The drill guide assembly according to claim 3 , wherein ...

Dynamic virtual articulator for simulating occlusion of teeth

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions.

METHOD AND USER INTERFACE FOR USE IN MANUFACTURING MULTI-SHADED DENTAL RESTORATIONS

Disclosed is a method, a system, and a user interface for determining a preferred relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing dental restorations from multi-shaded milling blocks. A preferred first relative arrangement of a first digital restoration design and a digital representation of a first multi-shaded milling block is determined, and therefrom a preferred second relative arrangement of a second digital restoration design and a digital representation of a second multi-shaded milling block is determined. 1. A method for determining a preferred relative arrangement of digital restoration designs and digital representations of multi-shaded milling blocks for use when manufacturing dental restorations from multi-shaded milling blocks , the method comprising:obtaining digital representations of at least a first and a second multi-shaded milling block, where each digital representation comprises shade data describing the shade distribution of the multi-shaded milling block;obtaining at least a first and a second digital restoration design; anddetermining a preferred first relative arrangement of the first digital restoration design and the digital representation of the first multi-shaded milling block, and determining therefrom a preferred second relative arrangement of the second digital restoration design and the digital representation of the second multi-shaded milling block.2. The method according to claim 1 , wherein determining the preferred second relative arrangement comprises copying the preferred first relative arrangement to the preferred second relative arrangement.3. The method according to claim 1 , wherein determining the preferred second relative arrangement comprises mirroring the preferred first relative arrangement to the preferred second relative arrangement.4. The method according to claim 1 , wherein determining the preferred first relative arrangement ...

MOULD FOR DENTAL RESTORATION

Disclosed is a method for designing a virtual mould used for manufacturing a corresponding physical mould adapted to be used in manufacturing of a dental restoration for a patient, wherein the method includes obtaining a 3D representation of the patient's set of teeth; virtually designing at least a first layer and a second layer of the dental restoration, where the first layer is part of a first portion of the dental restoration, and; and virtually designing the mould, where the inside surface of the mould is adapted to match the combination of at first portion and the second layer, where the inside surface of the mould corresponds to the shape of the dental restoration, where virtually designing the mould comprises designing a virtual retention structure of the mould. 1. A method for designing a virtual mould used for manufacturing a corresponding physical mould adapted to be used in manufacturing of a dental restoration for a patient , wherein the method comprises:obtaining a 3D representation of the patient's set of teeth comprising a restoration site where the manufactured dental restoration is adapted to be arranged;virtually designing at least a first layer and a second layer of the dental restoration, where the first layer is part of a first portion of the dental restoration, and where the combination of the first portion and the second layer provides at least part of the dental restoration; andvirtually designing the mould, which is adapted for the manufacturing of the second layer, where the inside surface of the mould is adapted to match the combination of the first portion and the second layer, where the inside surface of the mould corresponds to the shape of the dental restoration;where virtually designing the mould comprises designing a virtual retention structure of the mould, where the corresponding physical retention structure is applicable in retaining the first portion of the dental restoration in its correct position in the mould.2. The method ...

SCANNING EDENTULOUS PATIENTS

Disclosed is a method for scanning an edentulous patent who has a denture, where an impression material arranged at the gum-facing surfaces of the dentures is shaped by the patient's gums and both the teeth side and the gum-facing surface of the denture is scanned and the obtained digital 3D representations are used to determine the relative arrangement of the patient's edentulous jaws in a bite determined by the dentures. 1. A method for determining the relative arrangement of a patient's first and second jaws in a bite position at least partly defined by a denture , the method comprising:obtaining a first digital 3D representation of a first denture for the first jaw, where the first digital 3D representation comprises geometrical data for the artificial teeth of the first denture and for the gum-facing surface of the denture base, where a first layer of impression material shaped according to the surface of the gum of the first jaw is arranged at the gum-facing surface;obtaining a second digital 3D representation comprising geometrical data for the artificial teeth of the first denture and geometrical data for antagonist teeth in the second jaw, where the artificial teeth of the first denture and the antagonist teeth are arranged according to the patient's occlusion;deriving from the first digital 3D representation a third digital 3D representation comprising geometrical data for the gum of the first jaw;obtaining a fourth digital 3D representation comprising geometrical data for a surface of the second jaw; anddetermining the relative arrangement of the first and second jaws in the bite position based on the geometrical data of the first, second, third and fourth digital 3D representations.2. The method according to claim 1 , wherein the antagonist teeth comprises natural teeth of the second jaw and at least part of the geometrical data comprised in the fourth digital 3D representation relates to a surface of the natural teeth of the second jaw claim 1 , and ...

3D SYSTEM AND METHOD FOR GUIDING OBJECTS

An intraoral 3D scanner includes a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation; a camera including an array of sensor elements, the camera being arranged such that the probe light from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, and a guiding system configured to guide relative movement of the intraoral 3D scanner towards the dental situation, wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code. 118-. (canceled)19. An intraoral 3D scanner , comprising:a probe light source configured to generate a probe light such that the probe light is transmitted towards the dental situation;a camera comprising an array of sensor elements, the camera being arranged such that the probe light being returned from the dental situation is transmitted to the array of sensor elements, wherein the camera is configured to create images of the dental situation from which a point cloud is generated, anda guiding system configured to guide the relative movement of the intraoral 3D scanner towards the dental situation,wherein the camera is part of the guiding system, the camera is configured to record images from which a relative position of the intraoral 3D scanner and the dental situation is determined, such that based on the relative position, the guiding system is configured to provide a positioning signal in the form of a positioning color code.20. The intraoral 3D scanner according to claim 19 , where a dental tool is attached to the intraoral scanner.21. The intraoral 3D scanner according ...

TOOLS FOR CUSTOMIZED DESIGN OF DENTAL RESTORATIONS

Tools in a system for the design of customized three-dimensional models of dental restorations for subsequent manufacturing. Dental restorations such as implant abutments, copings, crowns, wax-ups, bridge frameworks. Moreover, a computer-readable medium for implementing such a system on a computer. A system for designing at least one dental restoration, said system including: a display, means for acquiring and displaying a three dimensional dental restoration model of the dental restoration, and means for displaying a plurality of control points, each of the control points corresponding to a respective location on the dental restoration model, and each of said control points enabling manual customization of the dental restoration model. 1. A system for designing at least one dental restoration , said system comprising:a display,means for acquiring and displaying a three dimensional dental restoration model of the dental restoration, andmeans for displaying a plurality of control points, each of the control points corresponding to a respective location on the dental restoration model, and each of said control points enabling manual customization of the dental restoration model.2. The system according to claim 1 , wherein a control point is activated by moving a mouse cursor within a predetermined distance of said control point.3. The system according to claim 2 , wherein the control point is activated by moving the mouse cursor within a distance of 10 pixels from the control point.4. The system according to claim 1 , wherein the control points only are visible when a mouse cursor is within a distance of 10 pixels from the dental restoration model.5. The system according to claim 1 , wherein only the control points of the dental restoration model closest to a mouse cursor are visible when two or more dental restoration models are shown simultaneously.6. The system according to claim 1 , wherein the system comprises means for displaying an arrow or a grid at at least ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates.

Common Placement Support for Artificial Teeth

Disclosed is a method for manufacturing a denture including a denture base and at least two artificial teeth arranged in the denture base, wherein the method includes the steps of obtaining the denture base; manufacturing the at least two artificial teeth with a common placement support connected to the at least two artificial teeth for keeping the at least two artificial teeth in a desired relative arrangement, arranging the at least two artificial teeth on the denture base with the common placement support connected to the at least artificial teeth, attaching the at least two artificial teeth on the denture base, and removing the common placement support. This further ensures proper placement of the artificial teeth in the denture base of a denture. 1. A method for manufacturing a denture comprising a denture base and at least two artificial teeth arranged in the denture base , wherein the method comprises the steps of:obtaining the denture base,manufacturing the at least two artificial teeth with a common placement support connected to the at least two artificial teeth for keeping the at least two artificial teeth in a desired relative arrangement and where the common placement support and the at least two artificial teeth are manufactured as one unit,arranging the at least two artificial teeth on the denture base with the common placement support connected to the at least artificial teeth, andattaching the at least two artificial teeth on the denture base.2. The method according to claim 1 , wherein the method further comprises the step of removing the common placement support.3. The method according to claim 1 , wherein the common placement support and the at least two artificial teeth are manufactured by a subtractive manufacturing method.4. The method according to claim 1 , wherein the common placement support and the at least two artificial teeth are manufactured by an additive manufacturing method.5. The method according to claim 1 , wherein the common ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1means for generating a probe light incorporating a spatial pattern, means for transmitting the probe light towards the object thereby illuminating at least a part of the object with said pattern in one or more configurations,—means for transmitting at least a part of the light returned from the object to the camera,means for varying the position of the focus plane of the pattern on the object while maintaining a fixed spatial relation of the scanner and the object,—means for obtaining at least one image from said array of sensor elements,means for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, where the weight function is determined based on information of the configuration of the spatial pattern;data processing means for: a) determining by analysis of the correlation measure the in-focus position(s) of: each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and b) transforming in-focus data into 3D real world coordinates.. A scanner for ...

METHOD FOR DIGITAL DESIGNING A DENTAL RESTORATION

Disclosed is a method for digitally designing a dental restoration, wherein a 3D representation of at least a part of the upper or lower jaw is obtained. The 3D representation represents at least a target site for placing the final restoration and at least one antagonist tooth opposing the target site. Furthermore a digital anatomy design of the restoration is provided. The digital anatomy is based at least on a dynamic occlusion and a relative offset of the planned restoration position. Accordingly, a restoration may be designed that does not interrupt the natural occlusion. 1. A method for digitally designing a dental restoration , comprising:obtaining a 3D representation of at least a part of an upper or lower jaw of a patient, representing at least a target site for placing the restoration and at least one antagonist tooth opposing the target site,providing a digital anatomy design of the restoration based at least on a dynamic occlusion and a relative offset of the planned restoration position.2. A method according to claim 1 , wherein the step of providing the digital anatomy design comprises claim 1 ,determining an occlusion boundary defined by the at least one antagonist tooth during the dynamic occlusion,providing the relative offset by offsetting the occlusion boundary relative to the target site,generating the digital anatomy design within the occlusion boundary and the neighboring teeth.3. A method according to claim 1 , wherein the method further comprises the steps of claim 1 ,designing at least an intermediate anatomy of the restoration, and wherein the step of providing a digital anatomy design further comprises the steps of,determining contact areas between the at least one antagonist tooth and the intermediate anatomy of the restoration based on the dynamic occlusion and the relative offset,generating the anatomy design of the restoration by modifying the shape of the intermediate anatomy of the restoration at least in the contact areas.4. A method ...

SCANNING OF EDENTULOUS PATIENTS

Disclosed is a method for determining the relative arrangement of patient's jaws in a bite position when the patient's occlusion is not defined by natural teeth alone, where the method comprises a step of obtaining a digital 3D representation comprising both surface data relating to dental tissue in one of the patient's jaws and surface data relating to a scan appliance arranged in relation to the jaw, where the scan appliance is configured for at least partly defining the patient's occlusion.

DUAL-RESOLUTION 3D SCANNER AND METHOD OF USING

A 3D scanner system includes a scanning device capable of recording first and second data sets of a surface of an object when operating in a first configuration and a second configuration, respectively. A measurement unit is configured for measuring a distance from the scanning device to the surface. A control controls an operation of the scanning device based on the distance measured by the measurement unit, where the scanning device operates in the first configuration when the measured distance is within a first range of distances from the surface and the scanning device operates in the second configuration when the measured distance is within a second range of distances; and a data processor is configured to combine one or more first data sets and one or more second data sets to create a combined virtual 3D model of the object surface.

DESIGNING A DENTAL RESTORATION

A method for designing a virtual dental restoration for manufacturing a dental restoration for a patient, said dental restoration including an anatomy portion and a sub-gingival portion, wherein the method includes: obtaining a virtual anatomy surface expressing a target shape of the anatomy portion of the dental restoration; and creating a virtual sub-gingival surface for the sub-gingival portion of the dental restoration; where the created virtual sub-gingival surface is shaped such that it contacts the virtual anatomy surface. 1. A method for designing a virtual dental restoration for manufacturing a dental restoration for a patient , said dental restoration comprising an anatomy portion and a sub-gingival portion , wherein the method comprises:obtaining a virtual anatomy surface expressing a target shape of the anatomy portion of the dental restoration; and 'where the created virtual sub-gingival surface is shaped such that it contacts the virtual anatomy surface.', 'creating a virtual sub-gingival surface for the sub-gingival portion of the dental restoration;'}2. The method according to claim 1 , where the contact between the virtual anatomy surface and the virtual sub-gingival surface defines a virtual margin line of the virtual dental restoration.3. The method according to claim 2 , where the method comprises combining the virtual sub-gingival surface and the part of the virtual anatomy surface coronal to the virtual margin line to form a virtual outer surface of the virtual dental restoration.4. The method according to claim 1 , wherein the sub-gingival portion of the dental restoration is configured for engaging an implant arranged in the patient's jaw bone.5. The method according to claim 1 , wherein the method comprises defining an initial virtual sub-gingival surface comprising an initial coronal boundary.6. The method according to claim 5 , where creating the virtual sub-gingival surface comprises:defining an implant facing boundary for the virtual sub ...

FACEBOW AND METHOD OF USING A FACEBOW

Disclosed is a method for determining the geometrical relationship between a patient's dental structure and a reference feature on the head of the patient, the method including obtaining a first digital representation of a facebow including a fiducial marker, an adjustable pin member attached to the facebow and an attachment section of the facebow for placing the facebow in relation to the reference feature, the attachment section having a geometrical relationship with the fiducial marker; obtaining a second digital representation comprising a part of the patient's dental structure, a part of the pin member, and part of the facebow including the fiducial marker; obtaining information about the placement of the attachment section relative to the reference feature; and determining the geometrical relationship between the patient's dental structure and the reference feature based on the first and second digital representations and the placement of the attachment section. 1. A method for determining the a geometrical relationship between at least a first part of a patient's dental structure and at least one reference feature on the a head of the patient , the method comprising:obtaining a first digital representation of a facebow including a fiducial marker, an adjustable pin member attached to the facebow and an attachment section of the facebow for placing the facebow in relation to the reference feature, the attachment section having a geometrical relationship with the fiducial marker;obtaining a second digital representation comprising a part of the patient's dental structure, at least a part of the pin member, and at least a part of the facebow including the fiducial marker;obtaining information about the placement of the attachment section relative to the reference feature; anddetermining the geometrical relationship between the part of the patient's dental structure and the reference feature based on the first and second digital representations and the ...

CREATING A DIGITAL RESTORATION DESIGN

A method, a system and a user interface for creating a digital restoration design for the manufacture of a dental restoration for one or more of a patient's teeth where minimal manual interaction is required when setting the restoration margin line includes obtaining a digital 3D representation of the patient's unprepared teeth; obtaining a set of one or more digital teeth anatomies; arranging the digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement and creating a digital restoration design including a restoration margin line, where the restoration margin line is derived at least partly from an intersection of the digital 3D representation and the digital teeth anatomies. 112.-. (canceled)13. A method for creating a digital restoration design comprising a restoration margin line for the manufacture of a table-top restoration for one or more of a patient's teeth , wherein the method comprises:obtaining a digital 3D representation of the patient's unprepared teeth;obtaining a set of one or more digital teeth anatomies expressing a desired target shape of the table-top restoration;arranging the digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement in which the manufactured table-top restoration raises the patient's bite; andcreating, by modifying the obtained digital teeth anatomies, the digital restoration design, where the restoration margin line is derived at least partly from an intersection of the digital 3D representation and the digital teeth anatomies.14. The method according to claim 13 , where an outer surface of the digital restoration design is formed at least partly based on the portions of the digital teeth anatomies located coronal to the restoration margin line.15. The method according to claim 13 , wherein the restoration margin line is shaped according to a curve defined on the digital 3D representation of the patient's unprepared teeth by smoothing ...

Method for manufacturing a denture

There is disclosed a method for manufacturing a denture comprising an artificial gingiva surface, a seating surface facing at least a part of the gingiva surface when placed in the mouth of a patient, at least one tooth receiving hole provided in the artificial gingiva surface and extending through to the seating surface and an artificial tooth arranged in the tooth receiving hole, The method comprises printing an intermediate denture base comprising the artificial gingiva surface, the at least one tooth receiving hole for receiving the artificial tooth, arranging the artificial tooth in the at least one tooth receiving hole, fixing the intermediate denture base in a milling machine, and milling the denture comprising providing the seating surface by removing at least a part of the tooth extending through the tooth receiving hole. This provides an improved manufacturing process of denture.

METHOD FOR DESIGNING ATTACHMENT ABUTMENTS FOR ATTACHING DENTURES TO THE MANDIBLE AND/OR MAXILLA

Disclosed is a method for digitally designing at least two attachment abutments, each attachment abutment comprising an implant connection section adapted for connection to a respective implant along an implant axis, a transition section separating the implant connection section and an attachment section, wherein the attachment section is adapted for receiving a mating part. 1. A method for digitally designing at least two attachment abutments , each attachment abutment comprising an implant connection section adapted for connection to a respective implant along an implant axis , a transition section separating the implant connection section from an attachment section , wherein the attachment section is adapted for receiving a mating part , the method comprises the steps of ,{'b': 3', '3, 'obtaining a digital D representation of at least a part of a jaw comprising information on the location and orientation of at least two implants extending along respective implant axes within the jaw represented by the digital D representation,'}digital selecting the shape of the respective connection section from a set of pre-determined digital connection shapes for each attachment abutment,digital aligning the implant connection sections of the attachment abutments to coextend along the implant axis of the respective implants,digital selecting the shape of the respective attachment section from a set of pre-determined digital attachment shapes for each attachment abutment,digital generating the transition section extending between the respective connection section and the respective attachment section of each abutment attachment.2. A method according to claim 1 , wherein the method further comprises the step of digitally arranging each attachment section according to at least one common design criteria.3. A method according to claim 2 , wherein the at least one common design criteria comprises rules for arranging each attachment section to extend parallel to each other.4. A ...

FOCUS SCANNING APPARATUS

A scanner includes a camera, a light source for generating a probe light incorporating a spatial pattern, an optical system for transmitting the probe light towards the object and for transmitting at least a part of the light returned from the object to the camera, a focus element within the optical system for varying a position of a focus plane of the spatial pattern on the object, unit for obtaining at least one image from said array of sensor elements, unit for evaluating a correlation measure at each focus plane position between at least one image pixel and a weight function, a processor for determining the in-focus position(s) of each of a plurality of image pixels for a range of focus plane positions, or each of a plurality of groups of image pixels for a range of focus plane positions, and transforming in-focus data into 3D real world coordinates. 1. (canceled)2. An intraoral scanner for determining the 3D geometry and color of at least a part of the surface of an object in an oral cavity , said scanner comprising:at least one camera accommodating an array of sensor elements;a pattern generator configured to generate, using a light source, a probe light with a plurality of configurations in the form of a time-varying illumination pattern;an optical system for transmitting the probe light towards the object along an optical path thereby illuminating at least a part of the object with the time-varying illumination pattern, and for transmitting at least a part of the light returned from the object to the at least one camera to form a plurality of 2D images,wherein the 3D geometry is determined based on the plurality of 2D images and the time-varying illumination pattern;a tip configured to be inserted into the oral cavity; and selectively switch a color of the probe light, thereby illuminating the object with different colors at different times,', 'record different images by the at least one camera at the different times, thereby recording images of the object ...

DYNAMIC VIRTUAL ARTICULATOR FOR SIMULATING OCCLUSION OF TEETH

Disclosed is a computer-implemented method of using a dynamic virtual articulator for simulating occlusion of teeth, when performing computer-aided designing of one or more dental restorations for a patient, where the method includes the steps of: providing the virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth; providing movement of the virtual upper jaw and the virtual lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between teeth in the virtual upper and virtual lower jaw occur; wherein the method further includes: providing that the teeth in the virtual upper jaw and virtual lower jaw are blocked from penetrating each other's virtual surfaces in the collisions. 1143-. (canceled)144. A computer-implemented method of simulating occlusion of teeth , the method comprises using a dynamic virtual articulator when performing computer-aided designing of one or more dental restorations for a patient , the method further comprises:providing the dynamic virtual articulator, the dynamic virtual articulator including a virtual three-dimensional model of the upper jaw and a virtual three-dimensional model of the lower jaw resembling the upper jaw and lower jaw, respectively, of the patient's mouth, wherein the virtual three-dimensional model of the upper jaw and the virtual three-dimensional model of the lower jaw include three dimensional models of teeth, and at least one of the virtual three-dimensional model of the upper jaw and the virtual three-dimensional model of the lower jaw includes a virtual model of the one or more dental restorations;providing movement of the virtual three-dimensional model of the upper jaw and the virtual three-dimensional model of the lower jaw relative to each other for simulating dynamic occlusion, whereby collisions between the teeth in the ...

SNAPPING OF DENTURE TEETH

A method for digitally designing a denture for a patient, where the denture includes a plurality of denture teeth, where designing the denture includes transforming the denture, and where the denture teeth are grouped in at least two blocks where each block includes at least two denture teeth. The method includes obtaining a 3D scan of the upper jaw and lower jaw of the patient; obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion; digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth; and digitally transforming at least one denture tooth based on input from a user; where at least one design rule is enforced that affect one or more, but not all of the blocks, when the at least one denture tooth is transformed. 1. A method for digitally designing a denture for a patient , where the denture comprises a plurality of denture teeth , where designing the denture comprises transforming , such as relocating , repositioning and/or rotating , denture teeth of the denture , and where the denture teeth are grouped in at least two blocks where each block comprises at least two denture teeth , wherein the method comprises:obtaining a 3D scan of the upper jaw and lower jaw of the patient;obtaining a digital 3D arrangement of the denture teeth, where the denture teeth are pre-set in occlusion;digitally arranging the 3D scan of the upper jaw and lower jaw relative to the 3D arrangement of the denture teeth;digitally transforming at least one denture tooth based on input from a user; where at least one design rule is enforced that affect one or more, but not all of the blocks, when the at least one denture tooth is transformed.2. A method according to claim 1 , wherein the at least one design rule is selected from a group of independent design rules comprising:maintain occlusion with antagonist teeth in the block,maintain interproximal contact with neighboring teeth in ...

DESIGNING A VIRTUAL PREPARATION AND A VIRTUAL GINGIVAL

A computer product for generating a digital 3D model for use in a dental component based on a digital 3D model of the dental component showing a shape of the teeth and a digital 3D representation of a pre-prepared set of teeth showing the region for which the dental component is intended, the product causing a system to generate a digital 3D combined model representing a target dental situation when the dental component is arranged at the teeth, where the instructions are configured for digitally replacing one or more teeth of the digital 3D representation of the pre-prepared set of teeth with the digital 3D model of the dental component by digitally removing the one or more teeth of the digital 3D representation of the pre-prepared set of teeth and adding the digital 3D model of the dental component to the digital 3D representation of the pre-prepared set of teeth.

CONTROL GUIDE FOR CHECKING PLACEMENT OF AT LEAST TWO DENTAL ELEMENTS

A computer-implemented method includes obtaining a digital 3D representation of a patient's jaw comprising a first and second target location, providing a digital first dental element and a digital second element, respectively being digital 3D representations of a first dental element for placement on the first target location and a second dental element for placement on the second target location, arranging the digital first dental element on the digital representation of the first target location and the digital second dental element on the digital representation of the second target location, determining contact surfaces of the first and second dental element based on an insertion direction of the digital control guide design, and generating a digital control guide design comprising a digital 3D representation of the gum facing surface of the control guide based on a part of the contact surfaces of both the at least first and second dental element. 1. A computer-implemented method for providing a digital control guide design of a control guide for ensuring the position and orientation of at least two dental elements arranged on at least respective first and second target location , wherein the method comprisesobtaining a digital 3D representation of at least a part of a patient's jaw comprising at least a first and second target location,providing a digital first dental element and a digital second element, respectively being digital 3D representations of a at least a first dental element for placement on the first target location and a second dental element for placement on the second target location,arranging the digital first dental element on the digital representation of the first target location and the digital second dental element on the digital representation of the second target location,determining contact surfaces of the at least first and second dental element based on an insertion direction of the digital control guide design,generating a digital ...

METHOD, SYSTEM AND USER INTERFACE FOR CREATING A DIGITAL DESIGN FOR USE IN MANUFACTURING A MOLDING-SHELL FOR A DENTAL RESTORATION

A method, a system and a user interface for generating a digital design for use in the manufacture of a molding-shell for a patient's teeth, where the molding-shell and the teeth together enclose a volume for forming a dental restoration, include obtaining a digital 3D representation of the patient's teeth, the digital 3D representation including a tooth part relating to one or more teeth for which the dental restoration is formed; obtaining a set of one or more digital teeth anatomies; arranging the set of digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement; and generating the digital design where a first portion of the digital design is derived from the digital teeth anatomies and a second portion of the digital design is derived from the tooth part of the digital 3D representation. 117-. (canceled)18. A method for generating a digital design for use in the manufacture of a molding-shell for a patient's teeth , where the molding-shell and the teeth together enclose a volume for forming a dental restoration , where the method comprises:obtaining a digital 3D representation of the patient's teeth, said digital 3D representation comprising a tooth part relating to one or more teeth for which the dental restoration is formed;obtaining a set of one or more digital teeth anatomies;arranging the set of digital teeth anatomies and the digital 3D representation according to a preferred relative arrangement; andgenerating the digital design where a first portion of the digital design is derived from the digital teeth anatomies and a second portion of the digital design is derived from the tooth part of the digital 3D representation.19. The method according to claim 18 , wherein the digital design comprises a digital molding-shell design and the first and second portions define an inner shell surface of the digital molding-shell design.20. The method according to claim 19 , wherein generating the digital design comprises ...

METHOD AND SYSTEM FOR SCANNING TEETH MODELS

Disclosed is a method, an occlusion setup fixture and system for recording digital 3D representations of physical teeth models of a patient's jaws and for arranging the digital 3D representations according in a common coordinate system such that the digital 3D representations are arranged according to the patient's occlusion. The recorded digital 3D representations are virtually brought into occlusion by a virtual movement, where the virtual movement includes a translation along a path according to the confined relative movement of the occlusion setup fixture. 1. A method for recording digital 3D representations of physical teeth models of a patient's jaws and for arranging the digital 3D representations in a common coordinate system such that the digital 3D representations are arranged according to the patient's occlusion , said method comprising:obtaining an occlusion setup fixture comprising a first and a second model interface each configured for supporting a teeth model and a guiding structure configured for providing a confined relative movement of the first and second model interfaces in the fixture;obtaining a first teeth model and attaching it to said first model interface such that a first assembly comprising the first teeth model and at least part of the first model interface is formed;obtaining a second teeth model and arranging it in occlusion with the first teeth model;attaching the second model interface to the second teeth model while the first and second teeth models are kept in occlusion such that a second assembly comprising the second teeth model and at least part of the second model interface is formed, where the second model interface and the second teeth model are brought into contact by the confined relative movement of the model interfaces;placing the first and second assemblies in a 3D scanner and recording a first and a second digital 3D representation of the first and second teeth models, respectively, where the relative arrangement of ...

METHOD OF DIGITALLY DESIGNING A MODIFIED DENTAL SETUP

A method for digitally designing a modified dental setup up on a digital 3D dental model representing at least a part of the jaws of a patient includes the steps of obtaining a pre-treatment digital 2D image of at least a part of the patient's teeth, obtaining a digital 3D representation of the at least a part of the patient's set of teeth, obtaining a proposed digital 2D image of a desired dental setup based on the pre-treatment digital 2D image, wherein at least one digital tooth modification has been provided, and transferring the at least one digital tooth modification from the proposed digital 2D image to the digital 3D representation. This provides a method where the practitioner with relative simple means can present the patient with a visualization of an expected outcome of a dental treatment. 1. A method for digitally designing a modified dental setup on a digital 3D dental model representing at least a part of the teeth of a patient comprising the steps of:obtaining a pre-treatment digital 2D image of at least a part of the teeth of the patient,obtaining a digital 3D representation of the at least a part of the teeth of the patient,obtaining a proposed digital 2D image of a desired dental setup based on the pre-treatment digital 2D image, wherein at least one digital tooth modification has been provided,transferring the at least one digital tooth modification from the proposed digital 2D image to the digital 3D representation.2. A method according to claim 1 , wherein the method further comprises:designing a digital dental restoration based on the at least one tooth modification.3. A method according to claim 1 , wherein the method further comprises:planning an orthodontic treatment based on the at least one tooth modification.4. A method according to claim 1 , wherein the step of transferring the at least one digital tooth modification from the proposed digital 2D image to the digital 3D representation further comprises:determining a transformation by ...