Management of Large Oroantral Fistulas Caused by Medication-Related Osteonecrosis with the Combined Sequestrectomy, Buccal Fat Pad Flap and Platelet-Rich Fibrin

Purpose The aim of this retrospective study was to describe the efficacy of management of bisphosphonate-related maxillary osteonecrosis, which had resulted in an oroantral fistula formation, by performing sequestrectomy, platelet-rich fibrin (PRF) and buccal fat pad (BFP) flap.