System and method for releasing tooth positioning appliances

Details System and method for releasing tooth positioning appliances System and method for releasing tooth positioning appliances

A - Human Necessities

61

C

A61C 7/08 (2006.01) A61C 7/00 (2006.01) A61C 13/00 (2006.01)

Patent

CA 2351513

An improved dental appliance system (100), and methods for using, fabricating the improved appliance (100) are disclosed. The appliance (100) includes a polymeric overlay or shell (102) having a teeth-receiving cavity (120) formed therein. The dental appliance (100) has the necessary stiffness or strength to firmly secure the appliance (100) on the teeth and provide controlled forces required for repositioning the teeth, until such time as removal of the appliance (100) is desired. The appliance (100) may be configured for use with a removal mechanism which provides for selective release of the appliance (100) from the teeth as the removal mechanism undergoes a state change stimulated by an environmental stimulus or environmental switch.

L'invention porte sur un article (100) d'orthodontie amélioré, sur son mode d'utilisation et sur son procédé de fabrication. L'article qui comporte une enveloppe ou coquille renfermant une cavité (120) destinée à recevoir une dent, présente une rigidité et une résistance suffisantes pour se fixer fermement à la dent, et une force suffisante pour repositionner la dent jusqu'à ce qu'on souhaite le démonter. L'article (100) peut comporter un mécanisme d'extraction permettant de le séparer de la dent lorsque ledit mécanisme subit un changement d'état provoqué par un stimulus ou une commutation liées à l'environnement.

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