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Premaxillary Distraction Osteogenesis Using an Intraoral Appliance for Unilateral Cleft Lip and Palate: Case Report

Authors
 Munkhdulam Terbish ; Hye-Young Choi ; Jung-Yul Cha ; Choong Kook Yi ; Young-Chel Park 
Citation
 Cleft Palate-Craniofacial Journal, Vol.52(4) : e95~e102, 2015 
Journal Title
 Cleft Palate-Craniofacial Journal 
ISSN
 1545-1569 
Issue Date
2015
Abstract
OBJECTIVE: Premaxillary distraction osteogenesis was introduced using intraoral devices to correct maxillary hypoplasia and lengthen the alveolar bone horizontally in a patient with unilateral cleft lip and palate. METHODS: For premaxillary distraction osteogenesis, Le Fort I osteotomy was performed. Vertical osteotomy lines were located distally of the upper right canine and left first premolar to separate the anterior segment of the maxilla. After a 7-day latency period, distraction was allowed to continue for 20 days at a rate of 0.5 mm/d, followed by a 3-month consolidation period. After consolidation, orthodontic treatment and bilateral intraoral vertical ramus osteotomy were performed for the mandibular setback. The implant and prosthodontic treatments were applied to the alveolar ridge area created by the distraction osteogenesis. RESULTS: The A-point moved 8.0 mm forward during the distraction osteogenesis period, and the recurrence rate was 25% after the retention period. The transverse dimension of the upper arch was expanded during orthodontic treatment. The quality of the alveolar bone created by distraction osteogenesis was acceptable for the prosthodontic implant. CONCLUSIONS: Premaxillary distraction osteogenesis and arch expansion is an effective treatment strategy, improving function, aesthetics, and stability for cleft patients with multiple missing teeth.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/140764
DOI
10.1597/14-105
Appears in Collections:
1. 연구논문 > 2. College of Dentistry > Dept. of Orthodontics
1. 연구논문 > 2. College of Dentistry > Dept. of Oral and Maxillofacial Surgery
1. 연구논문 > 5. Research Institutes > Institute of Craniofacial Deformity
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Link
 http://www.cpcjournal.org/doi/abs/10.1597/14-105
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