Abstract
The objective of this study was to evaluate the outcome of the surgical treatment of osteonecrosis of the jaw (ONJ) with the additional use of autologous membranes of platelet-rich fibrin (PRF). The study population consisted of 15 patients with ONJ lesions in the maxilla (n=3), mandible (n=11), or both (n=1). Eight patients had malignant disease and were treated with high-dose anti-resorptive medication; seven were treated with low-dose anti-resorptive drugs for osteoporosis. Thirteen patients had grade 2 ONJ lesions and two had grade 3 lesions. The following standardized surgical technique was applied: resection of necrotic bone, mobilization of mucoperiosteal flaps, and multiple layer coverage of bone with PRF membranes. At follow-up 7–20 months after surgery, complete mucosal healing and an absence of symptoms were found in 14 of the 15 patients (93%). The patient with persistent bone exposure had a grade 3 ONJ lesion before surgery. This study suggests that the use of PRF membranes in the surgical treatment of grade 2 ONJ may be a contributing factor to a successful outcome.
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