Mandibular Distraction Osteogenesis by Sagittal Split Osteotomy and Intraoral Curvilinear Distraction

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Abstract

Mandibular distraction combining the sagittal split ramus osteotomy and an introral curved distractor is efficacious to lengthen the mandibular body and ramus. The sagittal split permits immediate rotation of the proximal segment and lengthening while still providing a large surface interface for regenerative bone. The buried curved distractor enables mandibular lengthening along the normal logarithmic grow spiral as shown by Moss and Rickets. In addition, it is well tolerated by the patient and can remain in place for a long duration to provide support. In summary, this combination of surgical techniques provides certain advantages for distraction of the mandible.

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