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A new device for measuring jaw motion

Research Project

Project/Area Number 15K11153
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Prosthodontics/ Dental materials science and
Research InstitutionTokyo Medical and Dental University

Principal Investigator

MINAMI Ichiro  東京医科歯科大学, 歯学部, 非常勤講師 (70396951)

Project Period (FY) 2015-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords咀嚼運動 / 咬合 / 下顎運動 / 在宅 / 咀嚼
Outline of Final Research Achievements

The result of this study indicated that the turning points between the opening and closing phases of chewing matched closely when recorded by a general jaw‐tracking device and when using a three‐axial gyro- scope sensor (developed in this study). A three‐axial gyroscope sensor can validly detect the turning point between the opening and closing phases during chewing of gum.

Academic Significance and Societal Importance of the Research Achievements

本方法は、フレキシブルケーブルをセンサーに接続する方法を用いることにより、簡便な計測で、皮膚の振動を拾わない測定が可能である。本方法では、これまで開閉口の分岐点を検出することが困難であったが、これを可能とした。高齢者の咀嚼機能を客観的に把握することは、サルコペニア(虚弱)の原因究明や予防、歯科治療の必要性の診 断のために欠かせないものである。これらを在宅で測定できる装置が開発されると、外出困難な高齢者にも応用が可能となる。

Report

(5 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • 2015 Research-status Report

URL: 

Published: 2015-04-16   Modified: 2020-03-30  

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