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Journal of Craniofacial Surgery:
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Mandibular Distraction Osteogenesis with Multidirectional Extraoral Distraction Device in Hemifacial Microsomia Patients: Three-dimensional Treatment Planning, Prediction Tracings, and Case Outcomes

WichitTharanon, DDS; Sinn, Douglas P. DDS

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Abstract

Distraction osteogenesis of the craniofacial skeleton with the use of several different types of distraction devices (i.e., extraoral, intraoral, unidirectional, multidirectional, and customized) have been documented. However, the details of treatment planning and the method of predicting the distraction of the mandible in patients with hemifacial microsomia have not been published previously. This paper presents a technique for (1) three-dimensional treatment planning for mandibular distraction, (2) three-dimensional prediction tracings with conventional radiographs (panoramic, lateral, and posterior-anterior cephalometric), and (3) correlating the treatment planning and clinical applications. Lastly, 2 patients with hemifacial microsomia planned and treated with this approach are reported.

(C) 1999 Mutaz B. Habal, MD

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