Management of oroantral fistula with displacement of the root into sinus using buccal fat pad: a case report

Abstract

Oroantral fistula (OAF) refers to a permanent connection between oral cavity and maxillary sinus. The extraction of maxillary posterior teeth is the most common reason of OAF. Multiple techniques are available to repair this defect. The most used procedures involving local flaps include buccal flap, buccal fat pad (BFP), and palatal rotating flap. We here present an original technique of management of oroantral fistula with displacement of the root into sinus using BFP.