abfraction

Etymology

 * from 1991.

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.
 * 1) An instance of tooth tissue loss via this mechanism.

Related terms

 * (evidently back-formed)