《英文msh词典》Ulcers,Oral
[入口词] Ulcers,Oral
[主题词] Oral Ulcer
[英文释义] 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)