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Actinomycosis
Angular cheilitis
Aphthous ulcers
Candidiasis: erythematous
Candidiasis: erythematous (atrophic)
Candidiasis: oral
Candidiasis: oral (thrush) in an HIV-infected woman
Candidiasis: pseudomembranous
Candidiasis and herpes simplex: oral
Coated tongue
Gingival erythema: linear
Gingivitis: ulcerative
Herpes simplex
Herpes simplex: oral ulcers
Herpetic gingivostomatitis