orthodontal

noun (used with a singular verb)

1. the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.

noun

1. (functioning as singular) the branch of dentistry concerned with preventing or correcting irregularities of the teethAlso called: dental orthopaedics

n.1909, from Modern Latin orthodontia + -ics. n.

1. The dental specialty and practice of preventing and correcting irregularities of the teeth, as by the use of braces.orthodontia orthodonture