J Korean Acad Oral Health.  2019 Sep;43(3):142-148. 10.11149/jkaoh.2019.43.3.142.

Association between components of metabolic syndrome and periodontitis in Korean adults aged 35–79 years

Affiliations
  • 1Department of Preventive & Community Dentistry, School of Dentistry, Pusan National University, Yangsan, Korea. jbomkim@pusan.ac.kr
  • 2BK21 PLUS Project, School of Dentistry, Pusan National University, Yangsan, Korea.

Abstract


OBJECTIVES
The purpose of this study was to investigate the association between the components of metabolic syndrome (MetS) (waist circumference, hyperglycemia, hypertriglyceridemia, low levels of high-density lipoprotein cholesterol, and hypertension) and periodontitis in Korean adults aged 35–79 years.
METHODS
In this study, data from the Sixth Korean National Health and Nutrition Examination Survey (KNHANES, 2013–2015) were analyzed. Among the 22,948 participants of the Sixth KNHANES, 8,314 participants, who were aged 35–79 years and had completed all systemic and oral health examinations and questionnaires, were included in this study. Confounding variables associated with the demographics and socioeconomic status and systemic and oral health-related behaviors were age, gender, household income, the educational level, smoking and drinking habits, the physical activity status, and frequency of daily toothbrushing. The independent variables were components of MetS, and the dependent variable was periodontitis.
RESULTS
Periodontitis was diagnosed in 37.0% of the participants. The incidence of periodontitis among participants with MetS was 47.9%. The incidences of periodontitis among participants with three, four, and five components of MetS were 44.8%, 50.0%, and 56.2%, respectively. The odds ratio (OR) for periodontitis among participants with MetS was 1.43 (95% confidence interval [CI]: 1.27–1.61). The participants with three, four, and five components of MetS showed a significantly higher OR for periodontitis than those with no components of MetS (three components, OR=1.18, 95% CI: 1.02–1.36; four components, OR=1.34, 95% CI: 1.14–1.59; five components, OR=1.68, 95% CI: 1.29–2.20).
CONCLUSIONS
A higher number of components of MetS augments the OR of periodontitis.

Keyword

Epidemiology; Metabolic syndrome; Periodontitis
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