English Explanatory Dictionary

abfraction

English dictionary entry

Meanings

noun
  1. A proposed mechanism for noncarious tooth tissue loss, owing not to decay but rather to biomechanical stresses of biting and chewing; the pathogenesis of such damage remains a subject of continuing study.
  2. An instance of tooth tissue loss via this mechanism.

Word forms

abfraction abfractions

Etymology

From ab- + fraction (“act of breaking”); from 1991.

Related words

abfracted
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