noun Dentistry.
faulty occlusion; irregular contact of opposing teeth in the upper and lower jaws.

1885–90; mal- + occlusion

maloccluded, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
malocclusion (ˌmæləˈkluːʒən)
dentistry a defect in the normal position of the upper and lower teeth when the mouth is closed, as from abnormal development of the jaw

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1888, from mal- + occlusion (see occlude).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

malocclusion mal·oc·clu·sion (māl'ə-klōō'zhən)
Faulty contact between the upper and lower teeth when the jaw is closed.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
malocclusion   (māl'ə-kl'zhən)  Pronunciation Key 
Misalignment between the upper and lower teeth when the jaw is closed, resulting in a faulty bite.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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