下顎枝垂直骨切り術（ＩＶＲＯ）に関する臨床的研究　第１報　近位骨片のＸ線学的検討

DOI 被引用文献14件 参考文献18件

書誌事項

タイトル別名
  • Clinical Study of Intraoral Vertical Ramus Osteotomy. Part 1. Radiologic Study of Proximal Segments.
  • Part.1 Radiologic Study of Proximal Segments
  • 第1報近位骨片のX線学的検討

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説明

Intraoral Vertical Ramus Osteotomy (IVRO) is becoming widely used for correction of mandibular skeletal deformities in Japan.<BR>The purpose of this study was to investigate the postoperative change of the proximal segments after bilateral IVRO. Retrospective radiographic assessments were performed for fifteen patients with mandibular prognathism who had been corrected surgically by bilateral IVRO<BR>The results were as follows:<BR>1. On lateral cephalometric analysis, the ramus inclination increased at one week after surgery and decreased gradually during one year.<BR>2. On posteroanterior cephalometric analysis, Gonia showed lateral displacements at one week after surgery and returned internally during one year.<BR>3. The condyles moved anteroinferiorly after surgery.

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