Aim: Distraction osteogenesis (DO) is an alternative to orthognathic surgery that appears to have some advantages for advancement in the maxilla and mandible, but relatively high complication rates have been reported in the maxillofacial region. Methodology: A 22-year-old female with the chief complaint of maxillary hypoplasia was referred to our clinic. A two-stage procedure combining maxillary advancement by distraction technique with mandibular setback surgery was performed to correct jaw

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... ormity. At the sixth day of the distraction breakage of the device occurred. The distractors were removed and the patient was treated using conventional osteotomy techniques to achieve good occlusion and improve the facial profile Results: Besides there are a number of studies about complications of DO, breakage of distractor has been really rare reported. In our case this unexpected and a very rarely reported complication occurred. Conclusions: The purpose of the present case report is to present an undesirable and very rare complication associated with the maxillary distraction device and an alternative treatment method for managing this undesirable failure. How to cite this article: Apaydın A, Yenigün S, Can T. A Rare Complication Associated with Distraction Osteogenesis in Correction of Maxillary Hypoplasia. Int Dent Res 2012;2:23-26. Linguistic Revision: The English in this manuscript has been checked by at least two professional editors, both native speakers of English.