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A Study on the Mechanism of the Neck Muscle Pain originated from Occlusal Disharmony.

Research Project

Project/Area Number 61480404
Research Category

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

Allocation TypeSingle-year Grants
Research Field 補綴理工系歯学
Research InstitutionTokyo Medical and Dental University

Principal Investigator

KOHNO Shoji  Tokyo Medical and Dental University, 歯学部, 講師 (50014098)

Co-Investigator(Kenkyū-buntansha) SATO Takahiro  Tokyo Medical and Dental University, 歯学部, 助手 (70178747)
Project Period (FY) 1986 – 1987
Project Status Completed (Fiscal Year 1987)
Budget Amount *help
¥5,700,000 (Direct Cost: ¥5,700,000)
Fiscal Year 1987: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 1986: ¥4,700,000 (Direct Cost: ¥4,700,000)
KeywordsTMJ Dysfunction / Neck Muscle / Sternocleidomastoid Muscle / Occlusal Disharmony Anterior Guidance / EMG / Powerspectrum / 筋電図 / パワースペクトラム / 伸張反射 / 咬合病
Research Abstract

TMJ patients with occlusal interferences often complain of pains not only in masticatory muscles but also in neck muscles. There are still unclarified points regarding the treatment and the causative mechanism of the pain in neck muscles. Therefore we made some studies focused on the pain in the Sternocleidomastoid Muscle ( SCM : the largest lateral neck muscle). As a result, we have made a remarkable achievements.
The outline of the results obtained will be described below.
1. We gave a guidance for the treatment of TMJ patients.
W had trported on clinical cases of TMJ patients with pain in SCM treated errectively by the reconstruction of proper anterior guidance.
2. We clarified the function of SCM during occlusal functions.
The pain in SCM occurs mainly in the insertion of the muscle (SCM-I) reather than in the middle part of the muscle (SCM-M). Therefore we made anatomical and electromyographical experiments to investigate the functional differentiation between the SCM-I and the SCM-M during occlusal functions.
From the anatomical observation, it was confirmed there are some variations between individuals in the number of belly of SCM. From the electromyographic analysis, it was revealed there are qualitative and guantitative differences between the EMG of SCM-I and that of SCM-M. The powerspectrum of the EMG from the SCM-I had low frequency band with a peak(12-13 Hz).This peak shows that the activity of the SCM-I during occlusal function can be regulated by stretch reflex of the muscle. On the other hand the EMG from the SCM-M bad higher frequency band. The power value of EMG of SCM-I was more increased than that of SCM-M in proportion to the increase of occlusal force. From these results,it reveals that SCM-I is active during occlusal functions and SCM seems to have a functional differentiation between insertion and middle part during occlusal function.

Report

(2 results)
  • 1987 Final Research Report Summary
  • 1986 Annual Research Report
  • Research Products

    (18 results)

All Other

All Publications (18 results)

  • [Publications] 小林博: 下顎運動機能とEMG論文集. 107-114 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] S. Kohno: Journal of Dental Research. 65. 593 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] S. Kohno: Journal of Dental Research. 65. 754 (1986)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] K. Yoshida: Journal of Dental Research. 66. 925 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 河野正司: 日本補綴歯科学会雑誌. 31. 409-417 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 河野正司: 日本補綴科学会雑誌. 31. 764-769 (1987)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: Journal of Oral Rechabilitation.

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 吉田恵一: 口腔病学会雑誌. (1988)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Hiroshi Kobayashiu: "The EMG activities of the sternocleidomastoid muscles measured by surface and needle electrodes" Proceeding of Japanese Society of Stomatognathic Function. 4. 107-114 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: "Activities of Sternocleidomastoid Muscle during the Stomatognathic Function" Journal of Dental Research. 65. 593 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: "EMG activity of Sternocleidomastoid Muscle on normal subjects and TMJ patients" Journal of Dental Research. 65. 754 (1986)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Keiichi Yoshida: "SCM Muscle activities and its Functional Defferentiation" Journal of Dental Research. 66. 925 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: "Pain in the Sternocleidomastoid Muscle and Defects of Anterior Guidance" Journal of the Japan Prosthodontic Society. 31. 409-417 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: "The EMG activities of the Sternocleidomastoid Muscle during Occlusal Function" Journal of the Japan Prosthodontic Society. 31. 764-769 (1987)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Shoji Kohno: "Pain in the Sternocleidomastoid Muscle and Occlusal Interferences" Journal of Oral Rehabilitation.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] Keiichi Yoshida: "Electromyographical Analysis of Function of Sternocleidomastoid Muscle During Occlusal Function" Journal of the Stomatological Society,Japan.

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1987 Final Research Report Summary
  • [Publications] 河野正司: 日本補綴歯科学会雑誌. 31. (1987)

    • Related Report
      1986 Annual Research Report
  • [Publications] 河野正司: 日本補綴歯科学会雑誌. 31. (1987)

    • Related Report
      1986 Annual Research Report

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Published: 1987-03-31   Modified: 2016-04-21  

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