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Abstract

Angel’s Class III malocclusion is common in Oriental people. Orthodontic treatment combined with orthognethic surgery will be necessary to improve facial appearance and correct the malocclusion if skeletal discrepancy exists. Impacted dilacerated tooth is also a tough situation we face during orthodontic treatment. We have to evaluate all kinds of conditions to decide whether we align the tooth or not. This case is about a 19-yearold girl whose chief complain was mandible prognathism and crowded teeth. In the beginning examination, we found the tooth 25 was a impacted dilacerated tooth. In the end of the treatment, by orthodontic treatment combined with orthognethic surgery, not only the patient’s facial esthetic and occlusion function improved, but also the impaction was well aligned.

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