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Related Experiment Videos

The evaluation of masticatory function with low adhesive colour-developing chewing gum

Y Matsui1, K Ohno, K Michi

  • 1First Department of Oral and Maxillofacial Surgery, School of Dentistry, Showa University, Tokyo, Japan.

Journal of Oral Rehabilitation
|April 1, 1996
PubMed
Summary

A new color-developing chewing gum system effectively measures masticatory function. This system demonstrates adequate reproducibility in both natural dentition and complete denture wearers, offering a valuable tool for assessing chewing performance.

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Area of Science:

  • Biomaterials Science
  • Dental Mechanics
  • Colorimetry

Background:

  • Objective evaluation of masticatory function is crucial in dentistry.
  • Existing methods for assessing chewing function vary in complexity and applicability.
  • A novel low-adhesive, color-developing chewing gum system has been developed using a phloxine-sodium bicarbonate reaction.

Purpose of the Study:

  • To evaluate the applicability and reproducibility of a new color-developing chewing gum system.
  • To assess the system's performance in individuals with natural dentition versus complete denture wearers.
  • To determine the reliability of chromatic coordinate measurements for indicating masticatory function.

Main Methods:

  • A pilot study determined optimal test conditions.

Related Experiment Videos

  • The study involved 15 natural dentate subjects and 15 complete denture wearers.
  • Masticatory function was assessed using a low-adhesive, color-developing chewing gum, with color change measured by the a* coordinate in the L*a*b* color system.

    • Main Results:

    • The chewing gum system was successfully used by all participants.
    • The coefficient of variation for the a* coordinate averaged 5.15% in natural dentate subjects and 9.75% in complete denture wearers.
    • The 95% confidence intervals for a* were 28.76 ± 1.76 (natural dentition) and 10.05 ± 2.58 (complete dentures).

    Conclusions:

    • The color-developing chewing gum system is applicable to both natural dentition and complete denture wearers.
    • The system exhibits adequate reproducibility for evaluating masticatory function across different dental states.
    • This novel chewing gum system presents a potentially useful objective method for assessing chewing performance.