Dental appliances from multilayer films having discrete structures covered by an ion permeable release layer
Номер патента: EP4284292A1
Опубликовано: 06-12-2023
Автор(ы): Ta-Hua Yu, Yizhong Wang
Принадлежит: 3M Innovative Properties Co
Опубликовано: 06-12-2023
Автор(ы): Ta-Hua Yu, Yizhong Wang
Принадлежит: 3M Innovative Properties Co
Реферат: A method for making a dental appliance configured to position at least one tooth of a patient includes printing a hardenable liquid resin composition on a major surface of a polymeric material to form a pattern of discrete unhardened liquid regions thereon; at least partially hardening the unhardened liquid regions to form a corresponding array of structures on the major surface of the polymeric material, wherein the structures have a characteristic cross-sectional dimension of about 25 microns to about 1 mm, and a feature spacing of about 100 microns to about 2000 microns; forming an exterior layer comprising a ion-permeable polymeric material on the base polymeric material and the array of structures; and forming a plurality of cavities in the polymeric material to form the dental appliance including an arrangement of cavities configured to receive one or more teeth.
Dental appliances from multilayer films having discrete structures covered by an ion permeable release layer
Номер патента: US20240041565A1. Автор: Yizhong Wang,Ta-Hua Yu. Владелец: Solventum Intellectual Properties Co. Дата публикации: 2024-02-08.