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Influential Factors of Masticatory Performance in Older Adults: A Cross-Sectional Study

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  • Hee-Eun Kim

    (Department of Dental Hygiene, Gachon University College of Health Science, Incheon 21936, Korea)

Abstract

While appropriate nutrient intake is important for older adults, various oral problems cause decreased masticatory function. This cross-sectional study aimed to identify the factors associated with decreased masticatory performance in older adults. Oral examinations were performed on 80 participants (mean age: 75.10 ± 5.64 years) to determine the number of functional tooth units (FTUs). Symptoms of periodontal and temporomandibular diseases were evaluated via a questionnaire. The tone, elasticity, and dynamic stiffness of the masseter muscle were measured using the Myoton ® PRO device. The mixing ability test was used to assess the masticatory performance, and the mixing ability index (MAI) was calculated. The analysis of covariance test was performed to adjust for confounding factors, and multiple logistic regression analysis was performed to identify the risk factors affecting MAI. A lower MAI was significantly associated with higher tone ( p = 0.006) and lower elasticity ( p = 0.013). The number of FTUs (adjusted odds ratio (OR) = 0.724, p = 0.029), tone (adjusted OR = 1.215, p = 0.016), and elasticity (adjusted OR = 4.789, p = 0.038) were independently associated with the MAI. Muscle function training and prosthetic treatments may help increase masticatory performance in older adults, which would improve overall health.

Suggested Citation

  • Hee-Eun Kim, 2021. "Influential Factors of Masticatory Performance in Older Adults: A Cross-Sectional Study," IJERPH, MDPI, vol. 18(8), pages 1-10, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:8:p:4286-:d:538380
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    Cited by:

    1. Hee-Eun Kim & Janet Wallace & Woosung Sohn, 2022. "Factors Affecting Masticatory Performance of Older Adults Are Sex-Dependent: A Cross-Sectional Study," IJERPH, MDPI, vol. 19(23), pages 1-11, November.

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