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1990 Fiscal Year Final Research Report Summary

Evaluation of Denture Function of Elderly Denture Wearers by Using System for Measurement and Analysis of Biting Force and Pressure Distribution

Research Project

Project/Area Number 01480458
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 補綴理工系歯学
Research InstitutionTsurumi University

Principal Investigator

HOSOI Toshio  Tsurumi Univ. School of Dent. Professor, 歯学部, 教授 (70064368)

Co-Investigator(Kenkyū-buntansha) ISHIKAWA Yoshikazu  Tsurumi Univ. School of Dent. Assistant, 歯学部, 助手 (00222977)
OKAJIMA Tsutomu  Tsurumi Univ. School of Dent. Assistant, 歯学部, 助手 (80194348)
OHNUKI Masari  Tsurumi Univ. School of Dent. Assistant, 歯学部, 助手 (20185341)
Project Period (FY) 1989 – 1990
KeywordsComplete denture / Elderly patient / Integrated EMG / Biting force / Pressure distribution / Pressure sensor / Functional evaluation
Research Abstract

It is very important to evaluate the denture function of elderly denture patient. In order to perform for this study, we have developed a system of the calculating the biting force and the pressure distribution under the denture.
This system consists of many components which have an electromyograph, a force transducer, a pressure sensor, a dynamic strain amplifier and computerized data analysis system.
The biting forces, electromyograms and pressure distributions in three complete denture patients were recorded simultaneously and were analyzed by using this system.
Electromyograms of the right and left anterior temporal and masseter muscles were led by four electrodes.
Pressure distribution on supporting tissue were measured by seven pressure transducer attached to the basal surface of the duplicated mandibular denture.
Before occlusal adjustment of the complete denture, it was recognized to disperse pressure distribution. The biting force from intergrated EMG were low degree.
However, after occlusal adjustment it was indicated to converse pressure distribution. The biting force was also high degree.
By proceeding of the occlusal adjustment, it was acknowledged that load supporting capacity and biting force in complete denture wearers had increased.
Compared with old denture, new denture in an elderly patient showed high biting force and displayed adequate distribution of pressure.

  • Research Products

    (6 results)

All Other

All Publications (6 results)

  • [Publications] 細井 紀雄: "全部床義歯の予後と機能評価" 補綴臨床. 23. 61-71 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 細井 紀雄: "高齢化時代と無歯顎補綴ー咬合高径に起因した高齢無歯顎患者の2症例ー" 歯界展望. 76. 1355-1370 (1990)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 細井 紀雄、石川 佳和 桝尾 隆一、岡島 努、大貫 昌理: "咬合力、負担圧測定システムによる全部床義歯装着者の機能評価" 日本補綴歯科学会雑誌. 35. (1991)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Toshio HOSOI: "Prognoses of Complete Denture Patients and Evaluations of Denture Functions" Practice in Prosthodontics. 23-1. 61-71 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Toshio HOSOI: "Prosthodontic Treatment for Edentulous Patients in the Elderly Age -2 cases caused by the increased vertical Jaw Relation-" Dental Outlook. 76-6. 1355-1370 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Toshio HOSOI: "Evaluation of Denture Functions in Complete Denture Wearers by using Electromyography and Pressure Distribution Measuring System" J. Jan. Prosthodont. Soc.35.

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1993-08-12  

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