Maxillary Change Through Distraction Osteogenesis Using RED System in Cleft Lip and Palate Patients

• BABA Yoshiyuki

  Section of Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University

• SUZUKI Eduardo Yugo

  Section of Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University

• KITAHARA Yutaka

  Section of Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University

• TSUJI Michiko

  Section of Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University

• HARADA Kiyoshi

  Section of Oral Surgery, Graduate School, Tokyo Medical and Dental University

• ISHII Masatoshi

  Section of Oral Surgery, Graduate School, Tokyo Medical and Dental University

• OHYAMA Kimie

  Section of Maxillofacial Orthognathics, Graduate School, Tokyo Medical and Dental University

Bibliographic Information

Other Title

• RED Systemを用いて骨延長法を適用した口唇口蓋裂患者の上顎骨の変化

Abstract

Objective: This study investigated the change and stability of maxilla through application of distraction osteogenesis using the RED System to patients with cleft lip and palate. Materials and methods: The cases used in this study were 8 cleft lip and palate patients, mean age of 13. 3 years, treated using the RED System at Tokyo Medical and Dental University Hospital. Maxillary movement during the distraction and follow-up periods was investigated, using lateral cephalograms taken before distraction, at the removal of halo, and more than 6 months after surgery. Results: 1. In horizontal dimension, mean maxillary advancement of 9. 4mm, ranged from 4. 0mm to 14. 5mm, was attained during distraction. During the follow-up period, relapse was observed in all cases and the mean amount was 2. 0mm indicating 21. 7% of advancement. A negative correlation was found between horizontal changes in the distraction and follow-up periods. 2. In vertical dimension, maxillary movement was upward in 1 case, downward in 6 cases, and not shown in 1 case during distraction, resulting in a mean amount of 2. 9mm downward. During the follow-up period, maxillary movement was upward in 2 cases, downward in 5 cases, and not shown in 1 case. However, a negative correlation was found between vertical changes in the distraction and follow-up periods, and changes in opposite directions between two periods were demonstrated in only 3 cases. 3. Clockwise and counterclockwise rotation of the palatal plane during the distraction period was observed in 4 cases, respectively, with mean angle of 1. 1 degrees clockwise. A negative correlation was found between rotation of the palatal plane in the distraction and follow-up periods. Conclusion: Distraction osteogenesis using the RED System was applied to patients with cleft lip and palate including growing children. A large maxillary advancement, mean of 9. 4mm, was attained, suggesting the clinical significance of this technique.

Journal

• Journal of Japanese Cleft Palate Association

  Journal of Japanese Cleft Palate Association 28 (3), 229-237, 2003

  Japanese Cleft Palate Association

Keywords

• distraction osteogenesis
• RED System
• cleft lip and palate
• maxillary change
• postoperative stability

Details

• CRID: 1390001205453252096
• NII Article ID: 10020437871
• NII Book ID: AN00188874
• DOI: 10.11224/cleftpalate1976.28.3_229
• ISSN: 03865185
• Web Site: https://search.jamas.or.jp/link/ui/2004144841
• Text Lang: ja
• Data Source:
  • JaLC
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed