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KMID : 0952820110140010019
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Journal of Korean Cleft Lip & Palate Association
2011 Volume.14 No. 1 p.19 ~ p.28
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Maxillary Anterior Segmental Distraction with Rigid External Device: Case Report
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Yoo Seong-Hun
Choi Hye-Young
Yu Hyung-Seog
Baik Hyoung-Seon
Cha Jung-Yul
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Abstract
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Maxillary anterior segmental distraction osteogenesis (DO) has been the alternative treatment option for patients with midfacial retrusion. The patient showed unilateral cleft lip and palate, and premaxillary distraction with rigid external device (RED) was planned to solve midface deficiency and to create alveolar space. Significant advancement of A point was observed, but relapse of A point was detected during consolidation period. The vertical position of the ANS was found to have moved downward. Axis of upper incisor decreased after DO. Maxillary anterior segmental DO is effective for treatment of patient with cleft lip and palate. The alveolar space is regained successfully, and the facial profile is improved without velopharyngeal problems.
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KEYWORD
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Intraoral appliance, Maxillary anterior segmental distraction osteogenesis, RED
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