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Facial palsy after sagittal split osteotomies. A survey of 1747 sagittal split osteotomies
K de Vries1, P P Devriese, J Hovinga
1Department of Oral and Maxillofacial Surgery, Division of Surgery, University Hospital Leiden.
Abstract:
Facial nerve palsy following a sagittal split osteotomy is a rare but serious complication. The incidence of facial nerve injury in a group of 1747 patients who had undergone a bilateral sagittal split osteotomy (3494 sagittal splits) was determined and proved to be 0.26% (9 cases). The case histories of 2 patients are presented, and the etiology, diagnosis, treatment and prevention of this complication are discussed.