Metal orthodontic retainer or dental flipper

摘要

A dental appliance, such as an orthodontic retainer or a dental flipper, made of metal, graphene, carbon, or carbon fiber, and techniques for forming the dental appliance are described. In the case of an orthodontic retainer, the retainer can be used to retain the upper set of teeth or the lower set of teeth. The dental appliance can be formed by an additive manufacturing process such as 3D printing.