Patient specific appliances

Abstract

A dental device may include a body having first tooth receiving cavities shaped to receive teeth of a first side of an arch of a patient. The dental device may also include second tooth receiving cavities shaped to receive teeth of a second side of the arch of the patient and a palatal portion that extends between the first tooth receiving cavities and the second tooth receiving cavities. The palatal portion may be shaped to apply an expansion force to the teeth of the first side of the arch of the patient and the teeth of the second side of the arch of a patient. The palatal portion may also include a plurality of bands that extend between the first tooth receiving cavities and the second tooth receiving cavities. Each respective band may have a respective different thickness.

Dependencies are inferred from the claim text.