Mattia Berrone1, Filippo Umberto Florindi2, Vincenzo Carbone3, Carola Aldiano2, Monica Pentenero4. 1. Resident, PhD Program in Experimental Medicine and Therapy, Department of Oncology, University of Turin, Turin, Italy. Electronic address: mattia.berrone@unito.it. 2. Resident, Oral Surgery Specialty School, Department of Oncology, University of Turin, Turin, Italy. 3. Member of the medical staff Oral Surgery Unit, Department of Oncology, University of Turin, Turin, Italy. 4. Associate Professor, Oral Medicine and Oral Oncology Unit, Department of Oncology, University of Turin, Turin, Italy.
Abstract
PURPOSE: Stage 3 medication-related osteonecrosis of the jaw (MRONJ) sometimes requires surgical treatment for resolution of the pathology and, in many cases, leads to oroantral communication in the posterior maxilla. The buccal fat pad flap is considered the best surgical choice for closure of large oroantral communications because it provides primary closure and guarantees adequate bone protection with sufficient blood supply for an effective bone healing process. MATERIALS AND METHODS: Five consecutive patients affected by stage 3 posterior maxillary MRONJ were treated with surgical removal of the necrotic bone and primary closure of the oroantral communication using a buccal fat pad flap. RESULTS: In each case, the size of the flap was always sufficient to perfectly close the defect without tension. There were no postoperative complications and the average postoperative hospital stay was 3 ± 1 days. The patients were seen at monthly follow-ups; after 12 ± 4 months of follow-up, no problems were noted in the treated area. CONCLUSION: Despite the limited number of cases, the results of this study suggest that, for stage 3 posterior maxilla MRONJ, managing the site with a pedicled buccal fat pad flap and primary closure might guarantee adequate bone protection with sufficient blood supply for an effective bone healing process.
PURPOSE: Stage 3 medication-related osteonecrosis of the jaw (MRONJ) sometimes requires surgical treatment for resolution of the pathology and, in many cases, leads to oroantral communication in the posterior maxilla. The buccal fat pad flap is considered the best surgical choice for closure of large oroantral communications because it provides primary closure and guarantees adequate bone protection with sufficient blood supply for an effective bone healing process. MATERIALS AND METHODS: Five consecutive patients affected by stage 3 posterior maxillary MRONJ were treated with surgical removal of the necrotic bone and primary closure of the oroantral communication using a buccal fat pad flap. RESULTS: In each case, the size of the flap was always sufficient to perfectly close the defect without tension. There were no postoperative complications and the average postoperative hospital stay was 3 ± 1 days. The patients were seen at monthly follow-ups; after 12 ± 4 months of follow-up, no problems were noted in the treated area. CONCLUSION: Despite the limited number of cases, the results of this study suggest that, for stage 3 posterior maxilla MRONJ, managing the site with a pedicled buccal fat pad flap and primary closure might guarantee adequate bone protection with sufficient blood supply for an effective bone healing process.
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