姿勢検出センサを用いたインプラント埋入ナビゲーションシステムの開発

DOI 参考文献27件
  • 石田 雄一
    徳島大学大学院ヘルスバイオサイエンス研究部口腔顎顔面補綴学分野
  • 伊藤 照明
    徳島大学大学院ソシオテクノサイエンス研究部情報ソリューション部門，機械創造システム工学コース
  • 西中 英伸
    徳島大学大学院ヘルスバイオサイエンス研究部口腔顎顔面補綴学分野
  • 佐藤 裕
    徳島大学大学院ヘルスバイオサイエンス研究部口腔顎顔面補綴学分野
  • 友竹 偉則
    徳島大学大学院ヘルスバイオサイエンス研究部口腔顎顔面補綴学分野
  • 市川 哲雄
    徳島大学大学院ヘルスバイオサイエンス研究部口腔顎顔面補綴学分野
  • 荒井 一生
    愛知製鋼株式会社

書誌事項

タイトル別名
  • Development and Evaluation of a Computer-assisted Navigation System Equipped with a Motion Sensor in Implant Dentistry

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Purpose: Accurate placement of the implant is essential for the clinical success of implant therapy. Recently, computer-assisted navigation systems have been widely used to ensure precision in implant surgery. We have also developed a new navigation system equipped with a motion control sensor (AMI 602; Aichi Steel, Japan) that can detect three-dimensional inclination. The aims of this study were to evaluate the efficacy of our navigation system by comparing it with the surgical guide plate model, and to review other implant navigation systems reported in the literature.<br/> Materials and methods: Mandibular plastic models (Kennedy Class II; Nissin, Japan) were prepared for this study. The crown forms of the missing teeth were reconstructed using an autopolymerizing resin for use as the surgical guide plate. Three parallel guide holes were drilled at appropriate positions for each crown form, and extended into the plastic model. The positions of these holes into the model were defined as the ideal implant holes. The guide holes of the surgical plate were reinforced with stainless steel tubes. Five dentists having no experience in implant treatment were asked to create three implant holes in the practice models. The holes were created using either the surgical guide plate or our newly developed navigation system. Straight stainless steel rods were inserted into the holes, and the angles of each rod were measured by photographic analyses (mesial and buccal sides) . The data between the two models were compared statistically using twoway ANOVA and the Mann-Whitney test.<br/> Results: The mean absolute error was 3.2±2.4 degrees for our navigation system, whereas it was 2.7±2.2 degrees for the surgical guide plate; however, the difference was not significant.<br/> Conclusion: It is suggested that our computer assisted navigation system equipped with a motion control sensor may be useful in implant surgery. Our navigation system could facilitate cheaper implant placement as compared to other systems. Our system can also be used for practical training for undergraduate students and general dentists who are less experienced in implant treatment.

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