Mercury release from dental amalgam restorations after magnetic resonance imaging and following mobile phone use
Mortazavi SM, Daiee E, Yazdi A, Khiabani K, Kavousi A, Vazirinejad R, Behnejad B, Ghasemi M, Mood MB. · 2008
View Original AbstractEMF exposure from MRI and mobile phones significantly increases mercury release from dental fillings, potentially amplifying toxic exposure.
Plain English Summary
Researchers tested whether electromagnetic fields from MRI machines and mobile phones increase mercury release from dental fillings. They found that 30-minute MRI exposure increased mercury levels in saliva by 31%, and mobile phone use significantly increased mercury in urine compared to controls. This suggests that common EMF exposures may accelerate the release of toxic mercury from dental amalgam fillings.
Why This Matters
This study reveals an overlooked pathway through which EMF exposure may affect health: by increasing the release of mercury from dental amalgam fillings. The science demonstrates that both MRI magnetic fields (0.23 Tesla) and mobile phone radiation can significantly accelerate mercury release, with saliva mercury levels jumping from 8.6 to 11.3 micrograms per liter after just 30 minutes of MRI exposure. What this means for you is that if you have amalgam fillings, routine EMF exposures may be increasing your mercury burden. Mercury is a potent neurotoxin linked to cognitive impairment, mood disorders, and neurological damage. While this was a small study requiring replication, it suggests that people with amalgam fillings face an additional risk from EMF exposure that hasn't been adequately studied or communicated by health authorities. The reality is that millions of people have both amalgam fillings and regular EMF exposure from phones and medical imaging, yet this interaction has received virtually no attention in safety guidelines.
Exposure Details
- Magnetic Field
- 230 mG
Exposure Context
This study used 230 mG for magnetic fields:
- 11.5Mx above the Building Biology guideline of 0.2 mG
- 2.3Mx above the BioInitiative Report recommendation of 1 mG
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
To analyze the mercury release from dental amalgam restorations after magnetic resonance imaging and following mobile phone use
In the 1st phase of this study, thirty patients were investigated. Five milliliter stimulated saliva...
The mean +/- SD saliva Hg concentrations of the patients before and after MRI were 8.6 +/- 3.0 and 1...
Further research is needed to clarify whether other common sources of electromagnetic field exposure may cause alterations in dental amalgam and accelerate the release of mercury.
Show BibTeX
@article{sm_2008_mercury_release_from_dental_1208,
author = {Mortazavi SM and Daiee E and Yazdi A and Khiabani K and Kavousi A and Vazirinejad R and Behnejad B and Ghasemi M and Mood MB. },
title = {Mercury release from dental amalgam restorations after magnetic resonance imaging and following mobile phone use},
year = {2008},
url = {https://pubmed.ncbi.nlm.nih.gov/18819554/},
}