Photo quiz. Odontogenic sinus.
D000328:Adult; D017577:Cutaneous Fistula / Q000175:diagnosis / Q000209:etiology* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008336:Mandibular Diseases / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D009807:Odontogenic Cysts / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D010781:Photography; D012720:Severity of Illness Index