[ 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Word Origin and History for orthodontia



1849, from ortho- + Greek odon (genitive odontos) "tooth" (see tooth).

Online Etymology Dictionary, © 2010 Douglas Harper