n.
n. the branch of dentistry dealing with extraction of teeth.
a. Pertaining to, or resembling, a mastodon;
a. (Med.) Of or pertaining to orthodontics or orthodontia. [ PJC ]
n. (Med.) A branch of dentistry specializing in the treatment of the teeth so as to make the teeth align properly within the mouth; it usually involves fitting a patient with braces and sometimes oral surgery. [ PJC ]