Conservative surgical management of patients with bisphosphonate-related osteonecrosis of the jaws: a series of 120 patients

Publication date: Available online 12 July 2016
Source:British Journal of Oral and Maxillofacial Surgery
Author(s): M. Nisi, F. La Ferla, D. Karapetsa, S. Gennai, L. Ramaglia, F. Graziani, M. Gabriele
We evaluated retrospectively the efficacy of local resection for patients who presented with bisphosphonate-related osteonecrosis of the jaw (BRONJ). We studied 120 subjects with who required local resection of 129 BRONJ lesions that had not responded to medical treatment. The primary outcomes were improvement of the clinical stage of BRONJ and resolution of disease, and the secondary outcome was the influence of the surgeon's experience on the healing of the lesions. Age, sex, underlying diseases, smoking, and coexisting conditions were recorded. Logistic regression analysis was used to isolate factors that could potentially affect the outcome. Most of the lesions (n=107, 84%) improved postoperatively, 20 showed no change, and one got worse. One patient died. Stratification indicated complete healing and total resolution of disease for all 26 stage I lesions, improvement for 67 of the 77 stage II lesions, and for 14 of the 25 stage III lesions. The disease resolved in 67 of the 69 stage II lesions, and 14 of the stage III cases. Logistic regression indicated that smoking and the stage of disease could affect the outcome. Analysis of the surgeons' learning curve showed that performance improved significantly over time. Complete healing after local resection increased from 40% to 80% over a period of eight years (p<0.001). We conclude that local resection may be the treatment of choice in BRONJ stages I and II. Stage III might be better treated with either resection or clinical monitoring according to the condition of the patient.



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