title: [An unusual case of oral sinus perforation].
mesh_terms: D000293:Adolescent; D004388:Dura Mater / Q000637:transplantation; D005260:Female; D005612:Freeze Drying; D006801:Humans; D009957:Oroantral Fistula / Q000601:surgery; D010514:Periodontal Pocket / Q000150:complications
vernacular_title: Un caso insolito di perforazione oro-sinusale.