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apertognathia

[ ə-pûr′tŏg-nāthē-ə, -tō-năthē-ə ]
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n.

A type of malocclusion characterized by the premature occlusion of posterior teeth and the absence of anterior occlusion.open bite

QUIZZES

QUIZ YOURSELF ON “ITS” VS. “IT’S”!

Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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