orthodontia

from WordNet (r) 3.0 (2006)

orthodontia
    n 1: the branch of dentistry dealing with the prevention or
         correction of irregularities of the teeth [syn:
         {orthodontics}, {orthodontia}, {orthodonture}, {dental
         orthopedics}, {dental orthopaedics}]

from The Collaborative International Dictionary of English v.0.48

orthodontia \orthodontia\ n. (Med.)
   The treatment of the teeth so as to make the teeth align
   properly within the mouth, usually involving the wearing of
   braces and sometimes oral surgery.
   [PJC]

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