noun (used with a singular verb)
- the branch of dentistry dealing with the prevention and correction of irregular teeth, as by means of braces.
- (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.
- The dental specialty and practice of preventing and correcting irregularities of the teeth, as by the use of braces.orthodontia orthodonture