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Relationship between masticatory performance using a gummy jelly and masticatory movement.

Hanako Uesugi1, Hiroshi Shiga1

  • 1Department of Partial and Complete Denture, School of Life Dentistry at Tokyo, The Nippon Dental University, 1-9-20 Fujimi, Chiyoda-ku, Tokyo 102-0071, Japan.

Journal of Prosthodontic Research
|February 27, 2017
PubMed
Summary

Masticatory performance, measured by glucose extraction from gummy jelly, is closely linked to masticatory movement. Rhythmic, rapid, and stable chewing with a large opening distance can enhance chewing efficiency.

Keywords:
ChewingGummy jellyMasticatory movementMasticatory performance

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Area of Science:

  • Biomedical Engineering
  • Oral Physiology
  • Biomechanics

Background:

  • Masticatory performance is crucial for nutrient intake and overall health.
  • Understanding the relationship between chewing movements and performance is essential for evaluating oral function.

Purpose of the Study:

  • To investigate the correlation between masticatory performance, assessed using gummy jelly, and various parameters of masticatory movement.
  • To identify key masticatory movement characteristics that influence chewing efficiency.

Main Methods:

  • Thirty healthy males participated, chewing gummy jelly for 20 seconds.
  • Masticatory performance was quantified by measuring glucose extraction.
  • Masticatory movement was recorded using the MKG K6-I, analyzing parameters like opening distance, rhythm, stability, and velocity.

Main Results:

  • A significant association was found between glucose extraction and seven masticatory movement parameters.
  • Stepwise multiple linear regression identified opening distance, closing time, rhythm stability, and closing maximum velocity as critical factors.

Conclusions:

  • Masticatory performance and masticatory movement are closely interrelated.
  • Optimizing chewing by incorporating rhythmic, rapid, and stable movements with a large opening distance can improve masticatory performance.