Journal of Korean society of Dental Hygiene (한국치위생학회지)

Korean Society of Dental Hygiene (한국치위생학회)
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A study on the association between blood levels of heavy metals and periodontitis, using the fifth Korean National Health and Nutrition Examination Survey

중금속의 혈중 농도와 치주염간의 상관성에 대한 연구 : 제5기 국민건강영양조사 자료 이용

  • Jung, Yun-Sook (Department of Dental Hygiene, College of Science & Technology, Kyungpook National University) ;
  • Kim, Eun-Kyong (Department of Dental Hygiene, College of Science & Technology, Kyungpook National University)
  • 정윤숙 (경북대학교 과학기술대학 치위생학과) ;
  • 김은경 (경북대학교 과학기술대학 치위생학과)
  • Received : 2019.06.05
  • Accepted : 2019.07.10
  • Published : 2019.08.31
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Abstract

Objectives: Internal exposure to certain heavy metals is thought to be associated with periodontitis. Therefore, this study aimed to assess the relationship between blood levels of heavy metals and periodontitis among the Korean population. Methods: Data from the 2012 Korean National Health and Nutrition Examination Survey was analyzed. A total of 1,968 adults aged 19 years or above were included. Logistic regression analysis was performed to assess the association between blood lead levels of lead, cadmium, and mercury, and periodontitis. Confounders such as sex, age, brushing frequency, smoking, etc. were adjusted. Results: Blood levels of lead, cadmium, and mercury showed a significant relationship with periodontitis in a crude model of logistic regression analysis. However, participants with the highest blood levels of cadmium showed higher risk of periodontitis, than those with lower blood levels of cadmium (OR: 1.73; 95% CI: 1.11-2.70) after adjusting for the confounders. Conclusions: High blood levels of cadmium may be associated with periodontitis among the Korean population.

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References

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