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Individual and community-level factors affecting dental scaling utilization among Korean adults: a multilevel analysis

  • Journal of Korean society of Dental Hygiene
  • Abbr : J Korean Soc Dent Hyg
  • 2026, 26(3), pp.351~360
  • DOI : 10.13065/jksdh.2026.26.3.8
  • Publisher : Korean Society of Dental Hygiene
  • Research Area : Medicine and Pharmacy > Dentistry
  • Received : March 19, 2026
  • Accepted : May 7, 2026
  • Published : June 30, 2026

Se-Hwan Jung 1 A-Rang Lim 2

1강원대학교 치과대학 예방치학교실 및 구강과학연구소
2경희대학교 일반대학원 예방사회치과학교실

Accredited

ABSTRACT

Objectives: This study aimed to examine regional disparities in dental scaling utilization among Korean adults and to identify individual- and community-level factors associated with its use. Methods: Data from the 2024 Korea Community Health Survey (n=231,652 adults aged ≥19 years) were analyzed. The dependent variable was dental scaling utilization within the past year. Individual-level variables included sociodemographic characteristics, oral health behaviors, and mental health factors. Community-level variables, including dental infrastructure and socioeconomic indicators, were obtained from national statistics. Complex-sample analyses and multilevel logistic regression were conducted using STATA version 18.0, with the significance level set at p<0.05. Results: The overall scaling utilization rate was 56.4%, with substantial regional variation (range: 22.3%–74.8%). At the individual level, higher education and income, female sex, and healthier behaviors (e.g., tooth brushing, non-smoking, lower stress, no depression) were associated with higher utilization. At the community level, greater dental workforce density, higher fiscal capacity, and higher social welfare expenditure were associated with increased utilization. Multilevel analysis showed that although individual factors explained most of the variance, significant regional differences remained. Conclusions: Dental scaling utilization is influenced by both individual- and community-level factors. Reducing regional disparities in dental infrastructure and strengthening equity-oriented preventive oral health policies are needed.

Citation status

* References for papers published after 2024 are currently being built.