Clinical Study of Intraoral Vertical Ramus Osteotomy. Part 2. Postoperative Positional Change in One-Year Follow-Up.

DOI 2 Citations 18 References
  • HAGINO Hiroko
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery
  • SAWAKI Yoshihiro
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery
  • ODA Tomoo
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery
  • SONTA Akiko
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery
  • MURATA Kaori
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery
  • UEDA Minoru
    Nagoya University Postgradual School of Medicine, Department of Oral and Maxillofacial Surgery

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Other Title
  • 下顎枝垂直骨切り術（ＩＶＲＯ）に関する臨床的研究　第２報　　術後１年における顎位の変化について
  • Part 2. Postoperative Positional Change in One-Year Follow-Up
  • 第2報 術後1年における顎位の変化について

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The purpose of this study was to investigate the postoperative one-year positional change following Intraoral Vertical Ramus Osteotomy (IVRO). Retrospective radiographic assessments were performed on 43 patients who underwent bilateral IVRO to setback without interosseous fixation.<BR>The results were as follows:<BR>1. No relationship was observed between the openbite and the mandibular displacement during postoperative treatment for one year. In addition, no relationship was observed between the amount of mandibular displacement following surgery and that during postoperative treatment for one year.<BR>2. The postoperative mandibular position following IVRO was stable, and this method was effective to correct mandibular protrusion.

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