Journal of Korean society of Dental Hygiene (한국치위생학회지)

Korean Society of Dental Hygiene (한국치위생학회)
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Correlation between amalgam restorations and urinary mercury level in children for 1 year

일부 대도시지역 혼합치열기 아동의 아말감 충전물과 뇨중 수은농도: 1년 추적조사

  • 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)
  • 백혜진 (대구과학대학교 치위생과) ;
  • 정성화 (대구한의대학교 보건학부) ;
  • 최연희 (경북대학교 치의학전문대학원 예방치과학교실)
  • Received : 2014.04.01
  • Accepted : 2014.06.23
  • Published : 2014.06.30
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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.

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References

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