Abstract:

The aim of this study is to present treatment outcomes of a patient with class III malocclusion and an impacted upper canine. 9 years and 4 months old female patient admitted our clinic with the complaint of  mandibular prognathie.After intraoral examination bilateral super Class I molar relationship, 2 mm negative overjet, maxillary transverse deficiency, moderate arch lenght deviation in maxilla and minimum arch lenght deviation in mandible was detected. The patient had a concave profile. After cephalometric and model analyses we decided to treat the patient by rapid maxillary expansion (rme) and facemask. After orthopedic treatment, management of impacted upper left canine tooth was achieved by gold chain attachment after surgical exposition. With the dentition period, total treatment duration was 72 months. An improvement in patient’s facial profile and a satisfied occlusion was obtained.

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