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Influence of Emotional Factors on the Efficacy of Acupuncture Treatment for Overweight Complicated with Hyperlipidemia: A Retrospective Cohort Study

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Factors Influencing the Changes in Masticatory Performance: The Suita Study.

T Kosaka¹, M Kida¹, M Kikui¹

¹1 Department of Prosthodontics, Gerodontology and Oral Rehabilitation, Osaka University Graduate School of Dentistry, Suita, Osaka, Japan.

JDR Clinical and Translational Research

|April 2, 2019

Summary

Longitudinal changes in masticatory performance are influenced by age, functional teeth, and bite force, with effects varying by occlusal support. This research aids in preventing chewing decline in older adults.

Keywords:

bite force gerodontology mastication periodontal disease statistical model tooth loss

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Area of Science:

Gerontology
Dental Science
Public Health

Background:

Masticatory performance is crucial for overall health and nutrition, especially in aging populations.
Previous research identified factors affecting masticatory performance, but longitudinal changes remain unclear.

Purpose of the Study:

To identify factors influencing longitudinal changes in masticatory performance.
To develop predictive models for masticatory performance based on identified factors in a Japanese urban population.

Main Methods:

A longitudinal study of 1,005 Japanese adults (mean age 65.7 years) over 5 years.
Assessed number of functional teeth, occlusal support (Eichner index), periodontal status, and masticatory performance (gummy jelly test).
Utilized multiple linear regression analysis to determine factors affecting masticatory performance at follow-up.

Main Results:

Baseline age, masticatory performance, number of functional teeth, and maximum bite force significantly predicted follow-up masticatory performance.
The influence of these factors varied based on the baseline occlusal support (Eichner index).

Conclusions:

Longitudinal changes in masticatory performance are linked to age, number of functional teeth, and maximum bite force.
The impact of these factors is modulated by the extent of occlusal support, highlighting the need for personalized interventions.