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KMID : 1020220190190040535
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Journal of Korean Society of Dental Hygiene
2019 Volume.19 No. 4 p.535 ~ p.543
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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
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Jung Yun-Sook
Kim Eun-Kyong
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Abstract
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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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KEYWORD
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Cadmium, Heavy metals, Lead, Mercury, Periodontitis
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