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http://dx.doi.org/10.13065/jksdh.2014.14.03.425

Correlation between amalgam restorations and urinary mercury level in children for 1 year  

Baek, Hye-Jin (Department of Dental Hygiene, Taegu Science University)
Jeong, Seong-Hwa (Faculty of Health Science, Daegu Haany University)
Choi, Youn-Hee (Department of Preventive Dentistry, School of Dentistry, Kyungpook National University)
Publication Information
Journal of Korean society of Dental Hygiene / v.14, no.3, 2014 , pp. 425-430 More about this Journal
Abstract
Objectives : The purpose of this study is to investigate the correlation between amalgam restorations and urinary mercury levels in children for 1 year. Amalgam restoration has been widely used for over 200 years. But released mercury from amalgam can increase the concentration of mercury in the body. Methods : The subjects were 463 elementary school children. Oral examination, urine sampling, and questionnaire survey were performed at baseline and after 1 year. Results : Amalgam restoration increased the urinary mercury level to $0.55{\pm}0.13{\mu}g/g$ creatinine. In the regression analysis, variation of urinary mercury excretion were positively associated with amalgam surfaces and fish consumption. Conclusions : Small amount of mercury release from amalgam restoration was closely associated with increasing urinary mercury level.
Keywords
amalgam restoration; children; urinary mercury level;
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Times Cited By KSCI : 4  (Citation Analysis)
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