The Modified Caldwell-Luc Approach with the Use of Collagen Material for Treatment of a Chronic Perforated Maxillary Sinusitis
Oroantral fistula (OAF) often Main Tub Bearing develops after extraction of posterior maxillary teeth and requires surgical closure.If it persists, OAF may result in maxillary sinusitis.This paper reports a case of an oroantral fistula, associated with chronic maxillary sinusitis.A 46-year-old female patient presented with a history of traumatic to