title: Lingual frenum ulcer resulting from orogenital sex.
mesh_terms: D000328:Adult; D006801:Humans; D008035:Lingual Frenum / Q000473:pathology*; D008297:Male; D012725:Sexual Behavior; D014060:Tongue Diseases / Q000209:etiology* / Q000473:pathology; D014456:Ulcer / Q000209:etiology / Q000473:pathology