Orthodontist
orthodontics (also orthodontia ) plural noun [treated as sing. ]
the treatment of irregularities in the teeth (esp. of alignment and occlusion) and jaws, including the use of braces.
DERIVATIVES
orthodontic | adjective
orthodontically |adverb
-orthodontist |noun
ORIGIN early 20th cent.: from ortho- [straight] + Greek odous, odont- 'tooth.'
