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RADIO - ALTERNATIVE HEALTH
Scientific Facts About Mercury Articles
written by Dr. Deborah Baker © 2000-2006
1. Dental amalgams are NOT a true alloy. They are made up of 50% mercury, which is NOT locked in to the filling, but escapes continuously during the entire life of the filling in the forms of vapor, iron and abraded particles. This release is stimulated by chewing, brushing and hot fluids. 2. One study reported levels of mercury vapor measured in the mouth after chewing. The mercury vapor level was 54 times higher in the mouth of an individual with amalgams than in the mouth of an individual without amalgams. 3. The absorption rate of inhaled mercury vapor is extremely high: approximately 80% of the inhaled dose reaches the brain tissue within one blood circulation cycle. 4. The extreme toxicity of mercury is well documented. It is more toxic than arsenic and lead. Current research is clearly demonstrating inorganic mercury is just as toxic as organic mercury under various physiologic conditions. Mouth bacteria convert inorganic mercury to methyl-mercury, which is 100 times more toxic than inorganic mercury. 5. The toxic threshold for mercury vapor has never been found. Even the U.S. Environmental Protection Agency has affirmed this fact. The existing occupational standards are all specifically declared to be estimates only on the appearance of clinically Observable Signs and Symptoms. Statements by the dental profession that the amount of mercury exposure encountered by patients from dental amalgams is too small to be harmful are contradicted by the scientific literature and are totally indefensible. Dentists receive no training at all which would enable then to even look for symptoms relating to mercury toxicity. 6. Controlled, broad-scale scientific studies investigating the effects of mercury released from dental amalgam fillings on the health of humans have NEVER been conducted. The true nature and full extent of effects are therefore unknown. 7. Mercury from amalgam filling is stored principally in the kidneys, liver and nervous system. This mercury has also been shown to cross the placenta and collect in fetal tissue. Studies snow the level of mercury in liver, kidney and brain tissue of a deceased fetus, newborn, or young child is proportional to the number of amalgam fillings in the mother’s mouth. One such study concludes that "the elevated concentrations of Inorganis mercury found in tissues of people with amalgam fillings, derived mainly from these fillings and not from other theoretically possible sources". 8. Mercury from dental amalgam will also be transported across the breast milk of lactating women. In fact, it has been demonstrated that breast milk increases the bio-availability of mercury to the newborn. Negative developmental effects have been shown (In animal models) in relation to these sources and concentrations of mercury. 9. The half-time for the elimination of a single dose of mercury is extremely long, certainly at least 30 days for the whole body, and perhaps as long as 10,000 days for the brain. Multiple small doses will therefore result in body accumulation. 10. Sheep and monkey studies have confirmed the mercury from dental amalgams enters and accumulates throughout the body, including the brain. 11. Human autopsy studies have shown the concentration of mercury in the brain is directly related to the number, size and age of amalgam filling in the mouth. 12. Mercury has been shown to interfere with tubulin synthesis resulting in “neurofibril tangles” in the brain. Mercury, specifically from dental amalgam placed in rats’ teeth, has been shown to affect tubulin synthesis. Alzheimer’s disease, a form of dementia , is characterized by damaged brain tubulin and “neurofibril tangles. 13. Mercury from dental amalgams has been shown to be related to antibiotic resistance in the gut and oral cavity. 14. Both Health Canada (1996) and world Health Organization (1991) consider dental amalgams to be the single largest source of mercury exposure for the general public, with amalgam potentially contributing up to 84% (WHO, 1991) or total daily intake of all forms of mercury from all sources, Therefore the level of exposure resulting from amalgam is not an issue of contention. The WHO also noted that noted that for mercury vapor “a specific no-observed-effects level (NOEL) cannot be established, i.e. NO level of mercury vapor has been found that can be considered harmless. 15. Amalgam fillings have been associated in the scientific literature with a variety of problems such as periodontal problems (pyorrhea), allergic reactions, oral lichen planus, interference with the immune system as measured by the T-lymphocyte count, multiple sclerosis, fatigue, cardiovascular problems, skin rashes, endocrine disorders and eyes problems. Blood mercury levels, significantly higher in individuals with amalgam, correlate with the number and size of the filling but return to normal when the fillings are replaced with a non-mercury material. 16. Claims by the American Dental Association that the incidence of mercury allergy is less than 1% have never cited any references. Such claims are totally refuted by the scientific literature. Published peer reviewed studies show allergic reactions range from 5%-8% (Nth Am Derm Gp) up to 39% (Miller et al). 17. The earliest symptoms of long term, low level mercury poisoning are subclinical and neurological. Consequently, due to their subtlety, these symptoms are easily misdiagnosed. 18. Some recent studies at least 50% of dentists with elevated mercury levels had peripheral nervous disorders, and dentists have twice the rate of Glioblastoma than non-dentists. 19. Research shows female dental personnel have twice the rate of inferlitity, miscarriage and spontaneous abortion than the rest of the population. 20. Mercury from dental amalgams crosses the placenta, accumulates in the fetus, and it is also transferred through the breast milk to neonates. 21. In 1983, in the journal "Neurotoxicology", Wolf et al. stated, “It is generally agreed that if amalgam was introduced today as a restorative material, it would, never pass FDA approval.” 22. The German, French and Norwegian Health Departments have directed their dental professions to NOT use amalgams in pregnant women, and the German Health Department has also directed that children not receive dental amalgams either. 23. Canada Health, In the wake of the Richardson report, has stated similar views and also added that people with kidney or neurological problems might consider alternative filling, as mercury is of particular concern in their cases.
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