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| Oral Ulcer Mouth Ulcer | Mouth Ulcers | Oral Ulcers | Ulcer, Mouth | Ulcer, Oral | Ulcers, Mouth | Ulcers, Oral 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) | |
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