Surgical Treatment of Stage III Bilateral Maxillary Osteonecrosis in an Oncologic Patient

Bisphosphonate-induced maxillary osteonecrosis is characterized by an exposed bone area in the jaws. The bisphosphonates are widely used in the treatment of osteoporosis and other diseases that may cause bone loss. The disease is classified in 3 stages, with the third, the most severe, characterized by necrotic bone exposure beyond the alveolar ridge region and observed on x-ray and computed tomography exams. This report described a stage III clinical case of bilateral maxillary osteonecrosis. A buccal fat pad was used for bucosinusal fistulae closure and occlusion of the bone defect after resection of the meso and infrastructure of the upper jaw in the surgical treatment of a large area of jaw osteonecrosis after teeth extractions in a patient using aminobisphosphonate to control the progression of bone metastasis of adenocarcinoma of the prostate.

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