Urinary mercury levels before and after amalgam restoration

Yeh Chung Chien, Cecile A. Feldman, Harry K. Zohn, Clifford P. Weisel

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Urinary mercury levels and excretion rates were measured to determine the effect of dental amalgam restoration on the mercury body burden. No consistent increase in urinary mercury concentrations was found among subjects who had a single restoration, but a continuously increasing statistically significant (P < 0.05) trend, that was 33% above background levels, was detected between 9 and 12 days after restoration, in the subject with four restorations in a single day. The current findings suggested that even though amalgam restorations can cause an increase in mercury body burden, the elevation above background levels is small and thus the risks associated with the use of this material are considered minimal for the general population.

Original languageEnglish (US)
Pages (from-to)39-47
Number of pages9
JournalScience of the Total Environment
Issue number1
StatePublished - Sep 20 1996

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution


  • Amalgam restoration
  • Excretion rate
  • First morning samples
  • Urinary mercury


Dive into the research topics of 'Urinary mercury levels before and after amalgam restoration'. Together they form a unique fingerprint.

Cite this