Leukoplakia is a whitish lesion which does not slough off when scraped, and presents its own histologic characteristics.  It presents as a spot, keratosis of wartlike.  They are produced by continued chronic irritation in people with some sort of predisposition.  Among the most important local irritative factors there is:  smoking habits, the rough and or sharp surfaces of teeth,  and or broken or ill-adapted partial and full dentures.

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