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Definition of: orthodontia
(ôr′thə·don′shə, -shē·ə) noun
The branch of dentistry which is concerned with the prevention and correction of irregularities and faulty positions of the teeth. [<NL <Gk. orthos right, straight + odous, odontos a tooth]
—or′tho·don′tic (-don′tik) adjective
—or′tho·don′tist noun
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