abrasion

(ă-brā′zhŏn )

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[L. abradere, to scrape]

1. Wearing away of the substance of a tooth. It usually results from mastication but may be produced by mechanical or chemical means.
2. Scraping away of skin or mucous membrane as a result of injury or by mechanical means, as in dermabrasion for cosmetic purposes.
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ABRASION ; SEE: avulsion; SEE: bruise

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