Canadian Medical Guide > Diseases > Stomatognathic Diseases > Mouth Diseases > Oral Ulcer Terms and Definitions

Oral Ulcer

Medical Definition:	A loss of mucous substance of the mouth showing local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue. It is the result of a variety of causes, e.g., denture irritation, aphthous stomatitis (STOMATITIS, APHTHOUS); NOMA; necrotizing gingivitis (GINGIVITIS, NECROTIZING, ULCERATIVE); TOOTHBRUSHING; and various irritants. (From Jablonski, Dictionary of Dentistry, 1992, p842)
Guide Notes:	coord IM with cause (IM) if pertinent; not a synonym for STOMATITIS, APHTHOUS
Previously Indexed:	Mouth Diseases (1966-1996),Stomatitis (1966-1996),Stomatitis, Aphthous (1966-1996),Ulcer (1966-1996)

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