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      Stress-induced muscular activity in mandibular dysfunction: effects of biofeedback training.

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          Abstract

          Surface electromyographic (EMG) recordings from the left and right masseteric areas during physical and psychological induced stress were obtained from 20 patients with mandibular dysfunction and 20 healthy controls. Integrated electromyographic activity was not significantly different for the two sides but was higher for patients than for controls during both stress and relaxation. Anxiety level, as measured with the Taylor Manifest Anxiety Scale, was higher for patients. Biofeedback treatment for the patients resulted in significantly reduced signs and symptoms of mandibular dysfunction. When the test procedures were repeated, the controls had not changed in their electromyographic responses during stress, whereas the patients showed a significant decrease in this respect. The results obtained are discussed in terms of a systems-oriented etiological concept.

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          Author and article information

          Journal
          J Behav Med
          Journal of behavioral medicine
          Springer Science and Business Media LLC
          0160-7715
          0160-7715
          Jun 1985
          : 8
          : 2
          Article
          10.1007/BF00845520
          4032474
          74a799c1-da95-4da1-ba23-33380fceda29
          History

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