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Egyptian Journal of Oral & Maxillofacial Surgery:
doi: 10.1097/01.OMX.0000444332.44418.1b
Clinical Papers

Distraction osteogenesis versus sagittal split osteotomy in the treatment of mandibular retrognathia: a clinical study

Gadala, Aly S.a; Khidr, Mohamed B.a; El Morsy, Khairy M.b; Hassan, Khaledc

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Abstract

Introduction: Mandibular retrognathia is the underdeveloped retruded position of the mandible to the maxilla. It might be due to condylar trauma or congenital conditions. Facial deformity and functional disabilities are the main reported complaints. Various treatment modalities have been advocated.

Aim of the study: The present study aimed to compare bilateral sagittal split osteotomies (BSSOs) and distraction osteogenesis (DO) clinically and radiographically in treating and correcting mandibular retrognathia.

Materials and methods: Twelve patients (eight female and four male), with ages ranging from 18 to 35 years, were treated for retrognathic mandible. The patients were divided equally into two groups. In group I, mandibular retrognathia was treated by BSSOs, whereas DO was the treatment choice in group II. Preoperative and postoperative clinical and radiological examinations were performed for all cases.

Results: Results revealed obvious improvements in both functional activities and facial appearance in almost all cases in both groups. Patients in the BSSO group showed a higher percentage of mandibular relapse at the end of the follow-up period. Mandibular DO was effective in cases with postankylotic retrognathia, whereas BSSO was effective in cases with congenital mandibular retrognathia.

© 2014 Egyptian Associations of Oral and Maxillofacial Surgery

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