Mercury Fillings Get Less Toxic As They Age…?

New mercury fillings vs. old silver fillingsA new study from the University of Saskatchewan suggests that old silver fillings may contain less mercury — or at least less toxic mercury — than new amalgam fillings.

This would be great news… except for the all-important unanswered question: where did the mercury go?

The optimistic explanation is that the metallic mercury turns into metacinnabar (beta-mercuric sulfide), believed to be non-toxic, certainly known to be less toxic than elemental mercury.

The pessimistic explanation, of course, has the mercury being released directly into the body, where it can wreak all kinds of havoc.

The researchers found that fresh amalgams showed the chemical signature of metallic mercury, 20-year-old dental fillings showed metacinnabar instead.

Read the press release or read the full report

About Julie Frey

Julie Frey is the Editor of TheWealthyDentist.com blog. She has dedicated her career to Internet marketing and communications, working side-by-side with dental marketing guru Jim Du Molin since 2006. She has a degree in Linguistics from Stanford University, has a passion for language and writing, and lives in San Francisco. Julie Frey+

  • ann

    It is concerning as to where the harmful mercury from fillings goes. It is now admitted that mercury is released from fillings when hot foods and drinks are consumed and by heavy chewing. Tests showed mercury from fillings reaches many body organis such as kidneys, brain etc.
    Mercury amalgam fillings do shrink in size and this dissipation of mercury into the body could explain this.

  • http://www.angelakilmartin.com angela kilmartin

    of course, a lot of mercury will have left a filling, physically, because we all know it cracks, creeps and corrodes from the first meal after insertion. Particles break off and the filling is denuded but from the vapourisation viewpoint, toxic vapour continues to leave the amalgam for years. There a photo of a fifty year old filling still vapourising.
    I kept an old filling and tested it in the Environmental Services division of Cambridge University where the amount of vapour rising took the sensor to the far side of the dial. My findins from the test were shown to the FDA in Washington in 2006. The slides and photos can be seen on the web looking for FDA Dockets Washington–Angela Kilmartin
    In the meanwhile, is the population of the western world to stagger along for 12 years or more being poisoned until a presumed lesser evil type of mercury is reached?
    I don’t go along with this new research.
    Angela Kilmartin
    Patients Against Mercury Amalgam, UK

  • http://www.thevisibledentist.com/ The Visible Dentist

    There’s another lesser-known study from The University of Calgary in Canada, with a video showing how mercury causes brain neuron degeneration.

    If you have 5 minutes, watch: Mercury Melts Your Brain

    John Barremore
    Houston, TX

  • http://www.medicineandillness.com Edward Priestley

    Answers I had asked in the UK Parliament on 11.1.1989 (see Hansard) on the causes of aplastic anaemia listed nearly 200 prescribed drugs and radiation also many other toxic agents, pesticides, arsenic etc and MERCURY.
    Any toxic agent which can cause aplastic anaemia, destruction of the bone marrow and immune system, can also cause cancers as blood disorders of the bone marrow are known precursor conditions to cancers because of the damage to stem cells in the bone marrow.
    Where does the mercury go to? Fluoride oxydises all metals easily so exposurer to fluoride in countless products could allow mercury and gold (also very toxic and a cause of aplastic anaemia)to be released from tooth fillings and assimulated.

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