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1. The non-bacterial loss of tooth tissue due to frictional wear by extrinsic agents. Common causes are toothbrushing, particularly with abrasive pastes, pipe smoking, and pencil chewing. The lesions produced by toothbrush abrasion are typically wedge-shaped and are most commonly associated with the labial and buccal surfaces of the premolars, canines, and incisors of the permanent dentition. Similar causes can result in gingival abrasion with loss or damage to the gingival tissues.

2. A minor wound in which the surface of the skin or mucous membrane is worn away by frictional trauma. See also tooth wear.

Further Reading:

Bartlett D. W., Shah P. A critical review of non-carious cervical (wear) lesions and the role of abfraction, erosion, and abrasion. J Dent Res 2006;85:306–12.


Subjects: Dentistry.

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