abfraction

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Please note
n (1991)
Hyphenation
ab•frac•tion
Definition from Glossary
the pathologic loss of hard tooth substance caused by biomechanical loading forces. Such loss is thought to be due to flexure and chemical fatigue degradation of enamel and/or dentin at some location distant from the actual point of loading—comp ABLATION, ABRASION, ATTRITION, and EROSION
Pronunciation
ăb frăk′shun