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orthodontia

[awr-thuh-don-shuh, -shee-uh]
noun Dentistry.
  1. orthodontics.
  2. 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. 2018
Word Origin and History for orthodontia
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper