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Updated: Jun 12, 2026

Oral Health Assessment by Lay Personnel for Older Adults
08:47

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Published on: February 2, 2020

Factors associated with root surface caries in elderly.

Naoki Sugihara1, Yoshinobu Maki, Yoshikazu Okawa

  • 1Department of Epidemiology and Public Health, Tokyo Dental College, Mihama-ku, Chiba, Japan. sugihara@tdc.ac.jp

The Bulletin of Tokyo Dental College
|June 25, 2010
PubMed
Summary

Gingival recession and bleeding on probing are key risk factors for root surface caries in older adults. Dry mouth also contributes significantly to developing this common dental issue.

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Last Updated: Jun 12, 2026

Oral Health Assessment by Lay Personnel for Older Adults
08:47

Oral Health Assessment by Lay Personnel for Older Adults

Published on: February 2, 2020

Area of Science:

  • Gerontology
  • Dental Public Health
  • Epidemiology

Background:

  • Root surface caries is a prevalent issue in elderly populations.
  • Gingival recession is a primary risk factor for root surface caries.
  • Understanding these risk factors is crucial for targeted preventive strategies.

Purpose of the Study:

  • To identify risk factors for root surface caries in the elderly.
  • To evaluate factors associated with gingival recession in this demographic.

Main Methods:

  • A survey of 153 relatively healthy elderly individuals (aged 60-94) in Chiba prefecture, Japan.
  • Oral examinations and face-to-face interviews using a questionnaire.
  • Statistical analyses including correlation and stepwise multiple linear regression.

Main Results:

  • Root surface caries correlated with number of teeth, gingival recession, bleeding on probing, and denture use.
  • Key risk factors for root surface caries included gingival recession, bleeding on probing, and dry mouth.
  • Gingival recession was associated with sex, number of teeth, bleeding on probing, systemic disease, dentures, alcohol consumption, and smoking.

Conclusions:

  • Gingival recession, bleeding on probing, and dry mouth are significant risk factors for root surface caries in the elderly.
  • Factors like institutional living and smoking influence the severity of gingival recession.
  • These findings highlight the need for oral health interventions focusing on gum health and xerostomia management in older adults.