振幅密度関数分析法による顎口腔領域表面筋電図における自発放電の弁別 Discrimination of the Spontaneous Discharge in Electromyography of the Stomatognathic Region by Means of the Amplitude Density Function Analysis

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著者

    • 小林 博 KOBAYASHI Hiroshi
    • 新潟大学歯学部歯科補綴学第一講座 Department of Removable Prosthodontics, School of Dentistry, Niigata University
    • 村松 瑞人 MURAMATSU Mizuto
    • 新潟大学歯学部歯科補綴学第一講座 Department of Removable Prosthodontics, School of Dentistry, Niigata University
    • 河野 正司 KOHNO Shoji
    • 新潟大学歯学部歯科補綴学第一講座 Department of Removable Prosthodontics, School of Dentistry, Niigata University

抄録

When the relationship between the electromyography (EMG) and the stomatognathic function was investigated, there are various analytical methods. However, there are no satisfactory methods for clinical use, so amplitude density function analysis of the surface EMG was applied in the stomatognathic region. The chief object of the analysis was to discriminate the spontaneous discharge that was to be seen in the muscle of the patient with pain in the stomatognathic area. Known waveforms (rectangular, triangle, and sine curve), normal EMG and spontaneous discharge of the EMG in a patient were studied.<BR>By this analysis, the difference of the known waveform was represented by the shape of the density function. It was found that the distribution of the amplitude is directly related to the waveform. As for spontaneous discharge, the discrimination standard for the amplitude density function analysis was made by the half width of the distribution. Spontaneous discharge has a sharp peak in the amplitude density function comparing to the normal EMG. In comparison to the value of the half width divided by the distribution range, the spontaneous discharges (0.080±0.010) were separated from the EMG of the voluntary activity (0.13± 0.021).

収録刊行物

  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 43(5), 923-928, 1999-10-10

    Japan Prosthodontic Society

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各種コード

  • NII論文ID(NAID)
    10008174826
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03895386
  • データ提供元
    CJP書誌  J-STAGE 
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