Protocol for prevention of bisphosphonate related osteonecrosis of the jaws (BRONJ)

Aims: Subcutaneous emphysema in he maxillofacial area may have differnt causes. In this study we present cases ccurring from traumatic injuries and iatroenic surgical or dental treatment. Our bjective is to describe the etiology, evoution and management of patients with ervicofacial subcutaneous emphysema. Methods: 12 patients with subcutaeous emphysema of the maxillofacial area ere included in this study. The data was egistered in tables an graphs describing tiology, clinical and imaging characterisics, treatment and complications. Results: In 8 patients the cause was lowing after facial trauma, 4 cases were ssociated to the utilization of turbine in surgical or dental procedure in the oral egion. 3 cases had pneumomediastinum nd one had orbital cellulites as compliations, all patients treated with the same rotocol without other complications. Conclusion: Subcutaneous emphyema is rare. Usually, it resolves sponaneously and does not cause a lifehreatening complication. Prevention and arly diagnosis is crucial, to start treatment voiding the development of secondary nfectious and cardiopulmonary complicaions. Conflict of interest: None declared.