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KMID : 1023420150150020190
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Journal of Dental Hygiene Science
2015 Volume.15 No. 2 p.190 ~ p.195
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Changes in Urinary Mercury Levels after Removal of Amalgam Fillings
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Jin Hye-Jung
Sakong Joon
Song Keun-Bae
Jeon Eun-Suk
Kim Ki-Rim
Choi Youn-Hee
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Abstract
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The objective of this study is to estimate the relationship between amalgam removal and urinary mercury levels. To measure urinary mercury concentration, urine of participants was collected at baseline, immediately, 24 hours and 48 hours after removal of amalgam restorations. The statistical analysis was performed using IBM SPSS Statistics ver. 20.0. The overall mean urinary mercury concentration at baseline, immediately, 24 hours and 48 hours after removal of amalgam restorations was 2.77, 2.75, 2.95 and 4.00 mg/g creatinine, respectively. Logistic regression model shows that the gender leads to increased odds of high urinary mercury concentration in children (odds ratio, OR=1.99), even after adjusting for high amalgam surfaces (OR=1.23) and fish consumption (OR=1.26) at the baseline. Our findings suggest that mercury exposure from dental amalgam adversely impact health and therefore are a health risk.
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KEYWORD
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Amalgam removal , Child , Urinary mercury
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