Increased Mercury Release from Dental Amalgam Restorations After
Exposure to Electromagnetic Fields as a Potential Hazard for
Hypersensitive People and Pregnant Women
"Based on these findings, as infants and children are more
vulnerable to mercury exposures, and as some individuals are routinely
exposed to different sources of electromagnetic fields, we possibly need
a paradigm shift in evaluating the health effects of amalgam fillings."
Increased mercury release from dental amalgam restorations after
exposure to electromagnetic fields as a potential hazard for
hypersensitive people and pregnant women
Citation Information: Reviews on Environmental Health. ISSN (Online) 2191-0308, ISSN (Print) 0048-7554,DOI:
10.1515/reveh-2015-0017, November 2015
Ghazal Mortazavi
1 /
S.M.J. Mortazavi2,
3
1Tangestan Health Network, Bushehr University of Medical Sciences, Bushehr, Iran
2Ionizing and Non-ionizing Radiation Protection Research Center (INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran
3Medical Physics and Medical Engineering Department, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
Corresponding author: Professor S.M.J. Mortazavi, PhD, Medical Physics
and Medical Engineering Department, School of Medicine, Shiraz
University of Medical Sciences, Shiraz, Iran, Phone: +98-711-2349332,
Fax: +98-711-2349332/+98-711-2289113, E-mail:
(email);
and Ionizing and Non-ionizing Radiation Protection Research Center
(INIRPRC), Shiraz University of Medical Sciences, Shiraz, Iran
Publication History
Received:2015-07-12Accepted:2015-10-03Published Online:2015-11-06
Abstract
Over the past decades, the use of common sources of electromagnetic
fields such as Wi-Fi routers and mobile phones has been increased
enormously all over the world. There is ongoing concern that exposure to
electromagnetic fields can lead to adverse health effects. It has
recently been shown that even low doses of mercury are capable of
causing toxicity. Therefore, efforts are initiated to phase down or
eliminate the use of mercury amalgam in dental restorations. Increased
release of mercury from dental amalgam restorations after exposure to
electromagnetic fields such as those generated by MRI and mobile phones
has been reported by our team and other researchers. We have recently
shown that some of the papers which reported no increased release of
mercury after MRI, may have some methodological errors. Although it was
previously believed that the amount of mercury released from dental
amalgam cannot be hazardous, new findings indicate that mercury, even at
low doses, may cause toxicity. Based on recent epidemiological
findings, it can be claimed that the safety of mercury released from
dental amalgam fillings is questionable. Therefore, as some individuals
tend to be hypersensitive to the toxic effects of mercury, regulatory
authorities should re-assess the safety of exposure to electromagnetic
fields in individuals with amalgam restorations. On the other hand, we
have reported that increased mercury release after exposure to
electromagnetic fields may be risky for the pregnant women. It is worth
mentioning that as a strong positive correlation between maternal and
cord blood mercury levels has been found in some studies, our findings
regarding the effect of exposure to electromagnetic fields on the
release of mercury from dental amalgam fillings lead us to this
conclusion that pregnant women with dental amalgam fillings should limit
their exposure to electromagnetic fields to prevent toxic effects of
mercury in their fetuses. Based on these findings, as infants and
children are more vulnerable to mercury exposures, and as some
individuals are routinely exposed to different sources of
electromagnetic fields, we possibly need a paradigm shift in evaluating
the health effects of amalgam fillings.
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