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Attrition is the loss of tooth structure by mechanical forces from opposing teeth. Attrition initially affects the enamel and, if unchecked, may proceed to the underlying dentin. Once past the enamel, attrition quickly destroys the softer dentin.
Additional recommended knowledge
The most common cause of attrition is bruxism. Functional habits are those such as chewing and swallowing, which usually puts very little force on opposing teeth. Parafunctional habits, such as clenching and clicking the teeth together nervously, place greater amounts of forces on opposing teeth and begin to wear the teeth. As expected, wear usually begins on the incisal or occlusal surfaces.
Neville, B.W., D. Damm, C. Allen, J. Bouquot. Oral & Maxillofacial Pathology. Second edition. 2002. Page 56. ISBN 0-7216-9003-3.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Attrition_(dental)". A list of authors is available in Wikipedia.|