Patent ID: 9744000
Date: 2017-08-29
CPC Classifications: A61C,H04R

Claim:
1. An intra-oral appliance for correcting facial features of a subject afflicted with facial paralysis on one or both sides of the face, the appliance comprising an appliance body configured for engagement with a subject's upper teeth and anterior palate, wherein the appliance body has a thickness that increases from the maxillary midline to the upper posterior tooth or upper edentulous buccal portion of the mouth when worn by the subject, and includes one or more extensions protruding from an area of the appliance at a location corresponding to the upper gingiva when worn by the subject, the one or more extensions being configured for engaging one or more of the gingival-buccal area, the upper gingivolabial area, and the upper vestibular area of the subject's mouth, wherein when worn by the subject, the one or more extensions at least partly define a cavity in the vestibule of the subject's mouth and the appliance body is configured to cover the buccal surface of the upper teeth, thereby correcting facial features of the subject.