Three-layered technique to repair an oroantral fistula using a posterior-pedicled inferior turbinate, buccal fat pad, and buccal mucosal advancement flap

An oroantral communication is a space formed between the maxillary sinus and the oral cavity, which, in the absence of treatment, becomes an oroantral fistula. Such communications arise after dental extractions or the removal of cysts and, rarely, may be neoplastic. We describe our three-layered closure, using the buccal fat pad, a buccal mucosal advancement flap, and a posteriorly-pedicled inferior turbinate flap to manage established oroantral fistulas.

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