Difference in measurement methods of masseter muscle function in healthy young adults; occlusal force meter and ultrasound imaging systems

DOI
  • Kato Kanna
    Area of Occupational Therapy, Graduate Yamagata Prefectural University of Health Sciences
  • Matuda Naoko
    Area of Occupational Therapy, Graduate Yamagata Prefectural University of Health Sciences
  • Takahata Miki
    Area of Occupational Therapy, Graduate Yamagata Prefectural University of Health Sciences
  • Sato Toshiaki
    Area of Occupational Therapy, Graduate Yamagata Prefectural University of Health Sciences Department of Occupational Therapy, Yamagata Prefectural University of Health Sciences

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Other Title
  • 健常若年者における咬筋機能の測定方法の相違咬合力計と超音波画像診断装置を用いて

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Abstract

<p>Introduction: Masseter muscle function (MMF) include occlusal force, masseter muscle size is useful in determining the physical and mental condition of the elderly. There is a correlation between MMF and physical, mental, and cognitive function. MMF can be evaluated using magnetic resonance imaging (MRI), and occlusal force, Dental Prescale, and ultrasound imaging systems. We compared the characteristics of the ultrasound imaging system and occlusal force meter in measuring MMF in healthy young adults, and determined the index of proper use for research purposes.</p><p>Methods: We measured the occlusal force using the occlusal force meter, the grip strength using the jammer hand dynamometer, and the masseter muscle thickness (MMT), the masseter muscle hardness (MMH) using the ultrasound imaging system's brightness mode and share wave elastography in 22 study participants.</p><p>Results: There was a positive correlation between occlusal force and MMH (r=0.51), occlusal force and MMT at rest and at maximal contraction (r=0.49, r=0.49), grip strength and occlusal force, and grip strength and MMH (r=0.59, r=0.44).</p><p>Conclusion: There was no significant difference between using the occlusal force meter and the ultrasound imaging system when measuring occlusal force, MMT, and MMH. This finding suggests that these two methods can be used depending on the purpose, scale, and environment of the research.</p>

Journal

  • Structure and Function

    Structure and Function 18 (2), 95-101, 2020

    Co-medical Research Society of Structure and Function

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