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The analyses of Extraordinary Excitability or Pain in the Jaw and Neck Muscles due to the Pulpal and/or Periodontal Diseases

Research Project

Project/Area Number 02670850
Research Category

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

Allocation TypeSingle-year Grants
Research Field Conservative dentistry
Research InstitutionTokyo Medical and Dental University

Principal Investigator

SUNAKAWA Mitsuhiro  Tokyo Medical and Dental University Faculty of Dentistry, Department of Endodontics Research Associate, 歯学部, 助手 (30179288)

Co-Investigator(Kenkyū-buntansha) SUDA Hideaki  Tokyo Medical and Dental University Faculty of Dentistry, Department of Endodont, 歯学部, 教授 (00114760)
Project Period (FY) 1990 – 1991
Project Status Completed (Fiscal Year 1991)
Budget Amount *help
¥2,200,000 (Direct Cost: ¥2,200,000)
Fiscal Year 1991: ¥800,000 (Direct Cost: ¥800,000)
Fiscal Year 1990: ¥1,400,000 (Direct Cost: ¥1,400,000)
KeywordsPulpal disease / Periodontal disease / Myofascial pain dysfunction syndrome / Sternocleidomastoid muscle / Inferior alveolar nerve / Cervical spino-thalamic neuron / Antidromic response / 眼窩下神経 / 頚髄ニュ-ロン
Research Abstract

Neck and/or Jaw muscle pain is sometimes observed in patients suffering from pulpal and/or periodontal diseases. It is reasonable to consider that these symptoms were caused by the extraordinary excitability of the muscles. The purpose of this research project was to elucidate the muscle pain mechanisms. In a clinical study, the electromyogram of neck and jaw muscle was analyzed in human subjects, and in a basic study, the neurophysiological mechanisms underlying these symptoms were studied in animal experiments. The conclusions were as follows :
1. The electromyograms of the masseter muscle(MM)and the sternocleidomastoid muscle(SCMM)were obtained with surface electrodes on both sides in healthy subjects and temporo-mandibular joint dysfunction(TMJD)patients. (1)The SCMM activity corresponded to the MM one in healthy and TMJD subjects, when they moved the mandibular without food rhythmically. (2)In healthy subjects, the SCMM activity was also corresponded to the MM one in case of mastication. While, in TMJD subjects, the former was rather active during the whole stage. of masticatory movement, and showed no harmony with the latter.
2. The cervical inferior alveolar nerve-driven neurons(IANDN)were searched for in cats anesthetized with alpha-chloralose, and their response properties were analyzed in respects to the peripheral inputs. (1)Some of the IANDNS were identified as the spino-thalamic neurons(IAND-STN)using collision test. (2)These neurons seemed to relay the sensory information from the tooth pulp or the periodontal tissue. (3)Onto the non-projection IANDN, neck muscle inputs were converged. It might be occurred that neck muscle sensory inputs'integrated into the trigeminal ones in the cervical spinal cord.
These results suggest that extraordinary trigeminal sensory inputs may evoke the abnormal reflex resulting in the neck muscle excitation.

Report

(3 results)
  • 1991 Annual Research Report   Final Research Report Summary
  • 1990 Annual Research Report
  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] 山本 寛: "エピネフリンの乳歯歯髄麻酔効果" 日本歯科保存学雑誌. 33(2). 571-578 (1990)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 須田 英明: "歯内療法領域における関連痛とペインコントロ-ル" 東京都歯科医師会雑誌. 39(4). 231-238 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] IKEDA,H.: "Resonse Properties of Pulpal Nerve Fibers with Different Conduction Velocities." Journal of Dental Research. 70(4). 801 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 池田 英治: "伝導速度の異なる歯髄神経の応答性" 口腔病学会雑誌. 58(2). 555-565 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 山本 寛: "成長発育に伴うネコ歯髄神経線維の分岐と機能特性の変化" 口腔病学会雑誌. 58(3). 631 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 松本 宏之: "シュウ酸カリウム溶液により象牙質処理が歯髄組織に及ぼす影響" 日本歯科保存学雑誌. 34(5). 1449-1465 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 砂川 光宏: "「象牙質知覚過敏症」に対する25%シュウ酸カリウム溶液の臨床応用について" 日本歯科保存学雑誌. 34(6). 1651-1657 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Yamamoto, H.: "Anesthetic Effects of epinephrine on the Deciduous Tooth Pulp." Japan. J. Conserv. Dent.33. 571-578 (1990)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Suda, H.: "Referred pain and pain control in Endodontics." J. Tokyo Dent. Associ.39. 231-238 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ikeda, H.: "Response Properties of Pulpal Nerve Fibers with Different Conduction Velocities." J. Dent. Res.70. 801 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Ikeda, H.: "Response Properties of Pulpal Nerve Fibers with Different Conduction Velocities." J. Stomatol Soc., Jpn.58. 555-565 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Yamamoto, H.: "Branching and Functional Changes of the Cat Tooth Pulp Nerve Fibers in Response to Developmental Growth." J. Stomatol Soc., Jpn.58. 631 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Matsumoto, H.: "Pulpal Responses to Potassium Oxalate Solution Applied to Dentin." Japan. J. Conserv. Dent.34. 1449-1456 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] Sunakawa, M.: "Clinical Efficacy of 25% Potassium Oxalate Oxalate Solution to Dentin Hypersensitivity." Japan. J. Conserv. Dent.34. 1651-1657 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1991 Final Research Report Summary
  • [Publications] 須田 英明: "歯内療法領域における関連痛とペインコントロ-ル" 東京都歯科医師会雑誌. 39(4). 231-238 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] IKEDA,H.: "Resonse Properties of Pulpal Nerve Fibers with Different Conduction Velocities." Journal of Dental Research. 70(4). 801 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 池田 英治: "伝導速度の異なる歯髄神経の応答性" 口腔病学会雑誌. 58(2). 555-565 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 山本 寛: "成長発育に伴うネコ歯髄神経線維の分岐と機能特性の変化" 口腔病学会雑誌. 58(3). 631 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 松本 宏之: "シュウ酸カリウム溶液による象牙質処理が歯髄組織に及ぼす影響" 日本歯科保存学雑誌. 34(5). 1449-1465 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 砂川 光宏: "「象牙質知覚過敏症」に対する25%シュウ酸カリウム溶液の臨床応用について" 日本歯科保存学雑誌. 34(6). 1651-1657 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 山本 寛: "エピネフリンの乳歯歯髄麻酔効果" 日本歯科保存学雑誌. 33. 571-578 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] 山本 寛: "乳歯・永久歯交換期の分岐歯髄神経線維の機能" 歯科基礎医学会雑誌. 32(補冊). 196 (1990)

    • Related Report
      1990 Annual Research Report

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Published: 1990-04-01   Modified: 2016-04-21  

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