title: Oro-antral fistula.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009957:Oroantral Fistula / Q000175:diagnosis / Q000209:etiology / Q000601:surgery; D011183:Postoperative Complications / Q000453:epidemiology