Maxillary Anterior Segmental Distraction with Rigid External Device: Case Report

구순구개열환자의 상악 전방분절 골신장술식을 이용한 교정 치험례

  • Yoo, Seong-Hun (Department of Orthodontics, Institute of Craniofacial Deformities, Yonsei University, College of Dentistry) ;
  • Choi, Hye-Young (Department of Orthodontics, Institute of Craniofacial Deformities, Yonsei University, College of Dentistry) ;
  • Yu, Hyung-Seog (Department of Orthodontics, Institute of Craniofacial Deformities, Yonsei University, College of Dentistry) ;
  • Baik, Hyoung-Seon (Department of Orthodontics, Institute of Craniofacial Deformities, Yonsei University, College of Dentistry) ;
  • Cha, Jung-Yul (Department of Orthodontics, Institute of Craniofacial Deformities, Yonsei University, College of Dentistry)
  • 유성훈 (연세대학교 치과대학 교정학교실, 두개안면기형연구소) ;
  • 최혜영 (연세대학교 치과대학 교정학교실, 두개안면기형연구소) ;
  • 유형석 (연세대학교 치과대학 교정학교실, 두개안면기형연구소) ;
  • 백형선 (연세대학교 치과대학 교정학교실, 두개안면기형연구소) ;
  • 차정열 (연세대학교 치과대학 교정학교실, 두개안면기형연구소)
  • Published : 2011.12.30

Abstract

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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