orthodontia

[ awr-thuh-don-shuh, -shee-uh ]
/ ˌɔr θəˈdɒn ʃə, -ʃi ə /

noun Dentistry.

treatment for the correction of irregularly aligned teeth, usually involving braces and sometimes oral surgery.

Origin of orthodontia

First recorded in 1840–50; orth- + -odont + -ia