abfraction
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abfraction
[ab-frak´shun]pathological loss of tooth structure owing to biomechanical forces (flexion, compression, or tension) or chemical degradation; it is most visible as V-shaped notches in the cervical area of a tooth.
abfraction
(ab-frak'shŭn),To break away.
abfraction
pathological loss of tooth structure owing to biomechanical forces or chemical degradation; it is most visible as V-shaped notches in the cervical area of the tooth.
ab·frac·tion
(ab-frak'shŭn)Pathologic loss of hard tooth substance caused by biomechanical loading forces.
[ab- + L. fractio, a breaking, fr. frango, fractum, to break]
ab·frac·tion
(ab-frak'shŭn)Loss of tooth structure considered due to combined stress on tooth, resulting from flexure and chemical factors; usually evident as a notch on the buccal surface just occlusal to the adjacent gingiva.
[ab- + L. fractio, a breaking, Fr. frango, fractum, to break]