Lichen planus of the gingiva.
D000328:Adult; D000368:Aged; D001284:Atrophy / Q000473:pathology; D001768:Blister / Q000473:pathology; D003937:Diagnosis, Differential; D004848:Epithelium / Q000473:pathology; D005260:Female; D005882:Gingival Diseases / Q000188:drug therapy / Q000473:pathology*; D005891:Gingivitis / Q000473:pathology; D006801:Humans; D007642:Keratosis / Q000473:pathology; D008010:Lichen Planus / Q000188:drug therapy / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009059:Mouth Diseases / Q000473:pathology; D009061:Mouth Mucosa / Q000473:pathology; D010392:Pemphigus / Q000473:pathology; D014456:Ulcer / Q000473:pathology