The Development of Tooth Displacement Measuring Device using Two Magnetic Fields in Quadrature Phase

正交两磁场齿形位移测量装置的研制

• 批准号: 04671209
• 负责人: FUJIMURA Tetsuya
• 金额: $ 1.34万
• 依托单位: Tokushima Bunri University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1992
• 资助国家: 日本
• 起止时间: 1992 至 1993
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-04671209/
• 关键词: magnetic fields; tooth displacement; tooth displacement measuring device; 6自由度歯牙変位

The purpose of this research was to develop a non-contact type device for measuring tooth displacement using primary and secondary coils. The primary coil was placed extermally at a fixed position, and 90 degrees different phase of sine current was circulated. Magnetic flux produced by the primary coil was detected by electromagnetic induction output signal of secondary coil, which was fixed on the maxillary and mandibular teeth. Tooth displacement was calculated with the change of its phase.The results were as follows :1.Tooth displacement measuring device was fabricated based on the results of the simulation of each electrical circuit. The obtained results were similar to that of the theoretical value. And it was fabricated by connecting each electrical circuit, which demonstrated independence in each direction.2.A computer program neccessary for data analysis and collection was developed. Specifically for data analysis, it was possible to perform dinamic simulation of the tooth in three dimensions using three dimensional super graphics computer.3.This device serves as a standard in the measument of small displacement in 6 degrees of freedom.

本研究的目的是开发一种非接触式的牙齿位移测量装置，使用初级和次级线圈。初级线圈放置在外部固定位置，90度不同相位的正弦电流循环。初级线圈产生的磁通量由次级线圈的电磁感应输出信号检测，次级线圈固定在上下颌牙齿上。主要研究结果如下：1.根据各电路的仿真结果，制作了齿位移测量装置。所得结果与理论值相近。2.编制了数据分析和采集所需的计算机程序。特别是对于数据分析，可以使用三维超级图形计算机进行三维牙齿的动态模拟。3.该装置作为6个自由度小位移测量的标准。

项目成果

Tetsuya Fujimura: "Kinematical Characteristics of the Mandibular Movement." The Journal of the Japan Prosthodontic Society. 37. 1037-1049 (1993)

Tetsuya Fujimura：“下颌运动的运动学特征。”

藤村 哲也: "下顎運動の運動学的特性" 日本補綴歯科学会雑誌. 37. 1037-1049 (1993)

Tetsuya Fujimura：“下颌运动的运动学特征”日本修复医学会杂志 37. 1037-1049 (1993)。

Iichiro Yamamoto, Tetsya Fujimura, Koji Kondo, Atsushi Suzuki, Takashi Ikeda, Masaaki Yokoyama, Yoshihiro Kubo, Masanori Nakano, and Eiichi Bando: "A Design of Guide Flange Prosthesis in Harmony with Jaw Movement." Maxillofacial Prosthetics. 15. 15-31 (19

Iichiro Yamamoto、Tetsya Fujimura、Koji Kondo、Atsushi Suzuki、Takashi Ikeda、Masaaki Yokoyama、Yoshihiro Kubo、Masanori Nakano 和 Eiichi Bando：“与下颌运动协调的导向法兰假体设计”。

上田 龍太郎: "6自由度顎運動測定器を用いた顎運動機能の評価" 日本補綴歯科学会雑誌. 36(特別号). 41- (1992)

Ryutaro Ueda：“使用 6 自由度下颌运动测量装置评估下颌运动功能”，日本修复医学会杂志 36（特刊）。

上田 龍太郎: "顎口腔機能診断のための6自由度顎運動パラメータの検討" 日本補綴歯科学会雑誌. 37. 761-768 (1993)

Ryutaro Ueda：“用于诊断口腔下颌功能的 6 自由度下颌运动参数的研究”日本修复医学会杂志 37. 761-768 (1993)。