Oro Antral Fistula-A Review

Abstract

OAC is a complication of surgery which results in a connection between oral cavity and maxillary sinus. Removal of maxillary molars may results in oro antral communication. Formation of OAC may results in chronic maxillary sinusitis and formation of chronic oro antral fistula. Oro antral fistula is characterized by formation of tract which is epithelized between oral cavity and maxillary sinus