Bisphosphonates are antiresorptive pharmacological agents used in the treatment of osteoporosis.

Recently, osteonecrosis of the jaw has been recognized as a potential side effect in patients on long-term bisphosphonate therapy.

This condition, popularly called bisphosphonate-related osteonecrosis of the jaw (BRONJ), has been rechristened as MRONJ (medication-related osteonecrosis of the jaw) to accommodate the increasing number of cases of osteonecrosis of jaws associated with various other antiresorptive and antigiogenic pharmacological therapies.

The aim of the present study was to assess the outcome of using platelet-rich fibrin (PRF) for the treatment of MRONJ in a single study group. Twenty-three consecutive patients (15 females and 8 males; aged 52-73 years) with MRONJ were enrolled in this study.

These patients presented a history of bisphosphonate medication of varying duration, presence of exposed bone in the maxillofacial region for more than eight weeks, and no history of radiation therapy to the jaws.

These patients were managed by surgical curettage and application of platelet rich fibrin (PRF). The outcomes were assessed using clinical and histopathological methods.

On the basis of the present findings, we can conclude that PRF can act as an effective barrier membrane between the alveolar bone and the oral cavity and may offer a fast, easy and effective alternative method for the closure of bone exposure in MRONJ patients.

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