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orthodontia

[awr-thuh-don-shuh, -shee-uh] /ˌɔr θəˈdɒn ʃə, -ʃi ə/
noun, Dentistry.
2.
treatment for the correction of irregularly aligned teeth, usually involving braces and sometimes oral surgery.
Origin of orthodontia
1840-1850
1840-50; orth- + -odont + -ia
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for orthodontia

orthodontics

/ˌɔːθəʊˈdɒntɪks/
noun
1.
(functioning as sing) the branch of dentistry concerned with preventing or correcting irregularities of the teeth Also called dental orthopaedics
Derived Forms
orthodontic, adjective
orthodontist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for orthodontia
n.

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

Online Etymology Dictionary, © 2010 Douglas Harper
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Difficulty index for orthodontia

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Word Value for orthodontia

15
15
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