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A compilation of studies indicating inorganic mercury, as from dental mercury fillings, is mainly execreted in the feces

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Conductor Dr. Benjamin Zander of the Boston Philharmonic Conductor Benjamin Zander of the Boston Philharmonic was mercury poisoned by his dental amalgam, "silver fillings". He was diagnosed with Ménière's disease, a disorder of the inner ear characterized by episodes of vertigo, tinnitus & progressive hearing loss. Mr Zander had a full recovery after getting his amalgam fillings safely removed.
Amanda Just Testimony to the 2010 FDA Panel As a public school teacher who recovered from mercury toxicity triggered by 13 amalgam fillings and a botched root canal, I’m at this meeting because I feel a responsibility to protect my students and all of the children of America, our future, from dental mercury, the same form of poison that nearly destroyed my life.
Injured consumer activists make their voices heard at FDA hearings This past December the FDA held a dental products panel meeting to listen to the arguments for and against safety of dental amalgam. A number of consumer advocates (injured from dental amalgam) were on hand to present their powerful stories to the FDA.
Freya Koss 2010 FDA testimony My name is Freya Koss. I am one of the thousands and perhaps millions of consumers who have sustained neurological and other injuries resulting from placement of silver amalgam dental fillings. Unfortunately, the majority of dental patients are unaware their silver colored fillings contain 50% mercury, a known neurotoxin.
Do you have questions about mercury toxicity related to your "silver" fillings? DAMS Has the Answers Do you have questions about mercury toxicity related to your "silver" fillings? DAMS Has the Answers !
Dr Hesham El-Essawy DDS records patients health improvements after amalgam removal British dentist Dr Hesham El-Essawy has recorded dozens of patients personal testimonials of incredible health improvements after safely removing their dental mercury amalgam fillings.
Testing Glutathione to determine mercury toxicity Boyd Haley P.h.D. discusses the importance of testing Glutathione to determine mercury toxicity.
Chris Shade PhD shares his mercury toxicity and amalgam removal story Chris Shade PhD of Quicksilver Scientific shares his story of mercury toxicity, amalgam removal and subsequent health improvements.
Urinary Porphyrn Profile Testing to Determine Mercury Toxicity In this video Boyd Haley PhD discusses Urinary Porphyrn Profile Testing for Mercury Toxicity.
Chris Shade PhD of Quicksilver Scientific explains mercury speciation testing Chris Shade PhD of Quicksilver Scientific explains mercury speciation testing.
Stephanie Bernier-Adamson 2010 FDA Testimony Like many other victims of mercury toxicity, I suffered from numerous autoimmune and mystery illnesses for years before being diagnosed with mercury poisoning. In 2010, my physician recommended I have my six silver fillings, removed immediately. Over the last year, my health has improved far beyond my wildest expectations.
Scott Rossi, My Personal Mercury Amalgam Poisoning. I am a survivor of mercury poisoning which stemmed from having 16 mercury dental amalgam fillings by the time I was 24 years old. I've suffered from a number of neurological issue, including: depression, panic attacks, social anxiety disorder, stuttering and heart palpitations. I reached a point in my life where I wanted god himself to take my life and I wanted to die.
Lynn Foutch, Olympic Hopeful Struck Down with Mercury Poisoning from her "Silver" Amalgam Fillings In 2007, I was training rigorously for the 2008 U. S. Women's Marathon Olympic Trials when my health took a down turn. My training abruptly ended as I began experiencing neurological symptoms, gastrointestinal distress and major fatigue.Lucily, I was able to pinpoint the underlying cause, mercury toxicity.
Engineer & Scientist, Robert Cartland Recovers from Dental Amalgam Mercury Toxicity I suspected my health was being impacted by my dental amalgams but dismissed the idea as I trusted the scientific integrity of the dental and medical community. I assumed the anti-amalgam community to be unscientific alarmist. I expected to find little or no scientific work on the subject, but was shocked to find hundreds of peer reviewed studies.
Safe Removal of Mercury Amalgam Silver Fillings Dentists all over the world remove millions of amalgam fillings every day, with no regard for the possible mercury exposure that can result from grinding them out. Quite often, a new amalgam filling goes back in place of the old one. The dental establishment claims amalgam emits little or no mercury, but then turns blames the mercury–free dentists for “unnecessarily exposing patients to excess mercury” when removing amalgams electively.
Published author, Deborah Merlin shares her amalgam mercury poisoning experience Plagued with allergies, vitiligo, and Hashimoto’s thyroid, I attended a medical lecture featuring a panel of doctors, one of whom spoke about autoimmune diseases and offered a warning that would change my life. “If you are in your thirties and forties and have been suffering from autoimmune diseases,” he said, “it may be connected to the amalgam fillings in your mouth.”
Ornella Ciman, amazing recovery from her amalgam mercury poisoning This is the account of how my wife was affected by mercury poisoning: It started with symptoms ranging from unexplained anxiety, palpitations, struggling to breathe, light headedness and in the final stages of her illness, pins and needless over her body. Her arms and legs became very weak and she would frequently feel as if she were going to pass out.
Maine Legislature Fails to protect Pregnant Women and Children from Mercury, Kills Amalgam Bill in Committee Despite having a wealth of science at their disposal on the toxicity of mercury from dental amalgma fillings, the Maine legislature favored the American Dental Association's views of mercury safety and killed a bill that would ban dentists from placing mercury fillings in pregnant woman, children and nursing mothers.
The Maine Legislators who voted against protecting pregnant women and children from dental mercury exposure By a unanimus vote, the members of the Health and Human Services Committee of the Maine Legislature voted against releasing a bill, "An Act To Prohibit the Use of Mercury Amalgams in Dental Procedures for Children, Pregnant Women and Nursing Mothers."on the floor of the house, thus killing it in committee.
Evaluation of mercury in urine as an indicator of exposure to low levels of mercury vapor The relationship between urinary mercury and airborne concentrations of elemental mercury is only reliable down to concentrations of about 10 µg/m3 and therefore not an accurate measure for understanding exposure of persons due to most environmental air concentrations, which are well below 10 µg/m3.
Chelation Safety and Effectiveness Issues related to detoxification from toxic metals. Things to be aware of before embarking on IV or push chelating treatment or IV or push challenge test.
Consumers Demand FDA Action as U.S. Calls For Mercury Amalgam ‘Phase Out’ On May 5th 2011, Mercury poisoned consumers, dentists and healthcare professionals will confront the Center’s Director, Dr. Jeffrey Shuren, about FDA’s non-action to remove mercury fillings from dentistry. CDRH is the arm of the FDA that regulates amalgam fillings containing fifty percent mercury, a known neurotoxin.
Kathy Prior describes her life dealing with mercury poisoning 12 years ago I went to the dentist. Immediately, I notice I could not hear to well. I was tested, 40% hearing in right ear, 60% hearing in left ear. I received implant hearing implant in my left ear. My vision was blurry. I received my first pair glasses. I started stuttering, then my foot was hurting.
Gail Gardner's Immediate and continuing side-effects of mercury fillings Thanks to Champus (federally-funded health program for military dependents) I ended up w/ 7 fillings that completely cover the chewing surface when I was 10 which caused immediate horrendous headache / toothache / earaches plus hyper-sensitivity to cold that persists to this day.
Boyd Haley PhD explains benefits of OSR and limitations of chelators DMPS DMSA EDTA Boyd Haley PhD explains the benefits of Oxidative Stress Relief (OSR) and the limitations of chelators DMPS, DMSA & EDTA.
Hanne Koplev suffered from possible heavy metal induced Parkinson's Disease Veterinarian Hanne Koplev suffered for years from possible heavy metal induced Parkinson's Disease
Dr. Mark Hyman - Mercury Detox - A 3-step Plan to Recover Your Health Are you worried that you might be poisoned by mercury? A scary thought - but there is a way to heal. In this weeks UltraWellness blog Mark Hyman, MD outlines a 3-step plan to help your body detoxify from mercury and recover your health. To find out more, watch this video from Dr. Mark Hyman.
Dr. Mark Hyman - Mercury - How to Get this Lethal Poison Out of Your Body Mercury poisoning could be leading to your ill health and weight gain, and you may not even realize it. Mark Hyman MD reviews some of the most recent research on the effects of mercury toxicity, explains how you can find out if you have a heavy load of mercury in your body, and offers suggestion on how to limit your exposure.
Author Aine Ni Cheallaigh Tells Her Mercury Story Looking back it's hard to believe that I didn't figure things out sooner. I was perfectly placed to know exactly what was going on. I was conscious about toxins of all kinds and took supplements to keep myself healthy. And yet, when I fell ill with mysterious symptoms eight months after I got my amalgam fillings removed, I had no idea that this could be caused by mercury.
Top Ten Reasons to Get Rid of Mercury Fillings Mercola has posted the top ten reasons to get rid of mercury fillings, by Charlie Brown, National Counsel, Consumers for Dental Choice. 
References Documenting Symptoms To Mercury Exposure Mercury mimics many illnesses. This overview by James M. Love and Dr. Michael Ziff of the International Academy of Oral medicine and Toxicology (IAOMT) provides references for the many varied adverse reactions and symptoms people can experience when exposed to mercury vapor and mercury contaminated particulate matter (as from dental mercury fillings).
Chris Shade PhD of Quicksilver Scientific: Mercury and the Three Phases of the Human Detoxification System Mercury has the tendency to break down the very systems that are supposed to remove it. Unfortunately, failure to look at  the different forms of mercury we are exposed to, and understand them in the context of the human detoxification system, leads to either reckless or inefficient detoxification strategies. 
Celebrate Mercury Free Dentistry Week September 4 - 9 Dr. Joe Mercola of the leading health website Mercola.com and Consumers for Dental Choice are declaring September 4-9 Mercury-Free Dentistry Week.
Flight attendant Denise Knight shares her story of mercury toxicity from unsafe amalgam removal Flight attendant Denise Knight shares her story of extreme mercury toxicity from unsafe amalgam removal.
Fox News Reporter Stacy Case tells her story of mercury induced Multiple Sclerosis from her amalgam fillings My name is Stacy Case. I am a mom, wife, believer, journalist and a fighter. In 2008, I was diagnosed with Multiple Sclerosis. All of my neurological symptoms started right after I had my silver fillings removed and replaced with more silver fillings. I later learned each filling is made of 50% MERCURY!
PUBLIC DEMANDS FDA TAKE IMMEDIATE ACTION ON MERCURY FILLINGS At an FDA Town Meeting (9-22-2011), injured consumers, dentists, and healthcare professionals will challenge the FDA to protect the public from “silver” dental amalgam fillings containing 50% mercury. Dr. Jeffrey Shuren, Director of the Center for Devices and Radiological Health, will host the meeting Sept 22, 8am-noon at the Embassy Suites Hotel, San Francisco Airport.
Dr. Tom McGuire's newest video, Mercury: The Poison in Your Teeth Dr. Tom McGuire's 'Mercury: The Poison in Your Teeth' Video demonstration proves that more mercury vapor is released by brushing an amalgam filling than is allowed by governmental regulatory agencies at the workplace. Dr. McGuire's video also describes the symptoms of chronic mercury poisoning and how to find a mercury safe dentist.
Seán Ó Briain, My story of amalgam illness, and my start to recovery In 2005, I received 7 amalgam fillings and afterwards saw my health spiral downward. It wouldn't be until years later that I would pin-point the destruction of my health to this event. I remember shortly after that dental appointment, I became ill routinely. My mother said to me "You haven't been well since you went to that dentist" - And that always stuck in the back of my mind.
The World Health Organization urges “switch” away from amalgam The World Health Organization (WHO) has released its long-awaited report on dental amalgam, In Future Use of Materials for Dental Restoration.  WHO urges "a switch in use of dental materials" away from amalgam. "For many reasons," WHO explains, "restorative materials alternative to dental amalgam are desirable." The report describes three of these reasons in detail:
A compilation of studies indicating inorganic mercury, as from dental mercury fillings, is mainly execreted in the feces There is a widespread lack of knowledge from the medical profession about the main excretatory pathway of inorganic mercury. The following is a compilation of studies indicating inorganic mercury, as from dental mercury fillings, is mainly execreted in the feces
U.S. STATE DEPARTMENT TO ANNOUNCE POSITION ON MERCURY FILLINGS For the first time in history, the U.S. Department of State (DOS) is evaluating international regulations that would ban mercury-containing products including silver/amalgam dental fillings, which contain 50% mercury and are already in the mouths of more than 122 million Americans.
Boyd Haley PhD tells the story of his product OSR#1 - Oxidative Stress Relief OSR (Oxidative Stress Relief) developed by Boyd Haley is a powerful antioxidant. High levels of free radicals and oxidation can lead to oxidative stress. The body fights oxidation by producing glutathione. Mercury inhibits the production of glutathione, which then may not be able to keep up with the production of free radicals. OSR assists glutathione with scavenging free radicals.
Chris Shade PhD discusses how one is exposed to dental mercury and what it can do once inside the body. Chris Shade PhD discusses how one is exposed to dental mercury and what it can do once inside the body.
EPA: Mercury Study Report to Congress Outlines Health Effects of Mercury In 1997 The Environmental Protection Agency compiled the Mercury Study Report to Congress. This document covers the human health effects of mercury and mercury compounds. Upon reading the symptoms of mercury vapor-induced neurotoxicity and the toxicokinetics, it is apparent that mercury has great potential to mimmic symptoms of dementia and Alzheimer's disease.
Mercury Safe Dentist Dr. Neufeld of Fullerton California I am one of the few dentists in the Orange, Riverside, and L.A. counties who has the experience and special equipment required for the mercury safe protocol recommended by the International Academy of Oral Medicine and Toxicology, so patients do not inhale toxic mercury vapors.
They Don't Still Put Mercury in Dental Fillings, Do They? This great article by the late Sandy Duffy, past board President of Consumers for Dental Choice outlines many aspects of the dental mercury filling controversy including the history of amalgams, manufacturer warnings, potential health issues from mercury exposure and informed consent considerations.
Rebecca Lee and her health hegira Rebecca Lee's eight mercury filling removals sent her health into a tailspin. Read on as she tells of her health hegira (a journey, especially when undertaken to escape from a dangerous or undesirable situation).
Dr Mike Margolis - mercury safe - holistic - biological dentist Dr. Margolis is not just a dentist, but also a doctor of integrative medicine and one of the pioneers in promoting biological, mercury safe dentistry. His extensive training in cosmetic and biological dentistry and his concern for the safe removal of amalgam fillings makes him ideally suited to remove and replace them.
The Difference Between Mercury-Free and Mercury-Safe Dentistry Mercury free dentists have been known to polish and remove  "silver" amalgam fillings thereby exposing their patients and staff members to thousands of micrograms of mercury vapor and particulate matter. "Mercury Safe" dentists take every precaution to protect the patient, staff and environment from harmful mercury vapors and mercury contaminated particulate matter.
Tara Lorai ongoing recovery from mercury exposure What began with debilitating fatigue, grew to accompany insomnia, blurred vision, painful sinus headaches, extreme allergies (to everything), food intolerances, candida, never-ending chronic infections, exhaustion, a consistent feeling of being tired yet wired, and hypo-thyroid issues. Everything became incredibly overwhelming. Darkness clouded over me like a shadow of death; I became depressed, anxious, and frustrated. I had gone mad, and my life had fallen apart. I was living in a bubble, and a normal existence seemed like an impossible dream.

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Wednesday, 19 October 2011 01:15

A compilation of studies indicating inorganic mercury, as from dental mercury fillings, is mainly execreted in the feces


There is a widespread lack of knowledge from the medical profession about the main excretatory pathway of inorganic mercury. The following is a compilation of studies indicating inorganic mercury, as from dental mercury fillings, is execreted in the feces by a much higher percent than urine


There are only a few previous studies on fecal levels of mercury after amalgam placement. Borinski, 1931, measured a total excretion (feces + urine) of 10-100 micrograms/day in 50% and more than 100 in 50% of the children after amalgam therapy. The increased levels lased for some months and subsequently dropped considerably. The levels in feces were generally five (5) times higher than those in urine.


Frykholm, 1957, found somewhat increased urine mercury levels after amalgam placement in dogs and in humans but up to 87.000 micrograms/100g feces in dog and 1.900 micrograms/100 g in humans where a much smaller amount of amalgam was used. A second peak of mercury excreation occurred after removal of the fillings, irrespective of precautions (rubber dam) or extraction of teeth instead of drilling.


Minimal studies show that the distribution of the execretion between the different routes is dose dependent, Rothstein & Hayes, 1960


The influence of the size of the dose on the distribution and elimination of inorganic mercury Hg(NO3)2 in the rat, Ceber 1962.


Hg is excreted in both urine and feces. Chronic exposure to Hg0, as from dental amalgam, results in a steady state where daily uptake and total daily excretion (urine + faeces) of Hg are in equilibrium, Rothstein & Hayes, 1964


Cherian et al. 1978 exposed human volunteers to radioactively labelled Hg vapor, 79% of the excreted amount was in feces.


Kristensen & Hansen 1980 i.e. at decreasing doses the importance of fecal route increases, 85% was found in feces.


However, at exposure levels sufficient to produce the same urinary Hg concentrations associated with up to 128 amalgam-filled tooth surfaces (the reported maximum number of filled tooth surfaces in the US population; see Table 1), urinary excretion represents 40% of total daily excretion of Hg. This latter value can be determined from the data presented by Roels et al. (1987), assuming that adult working males inhale an average of 6.6 m3 of air in an 8 hour shift (U.S. EPA, 1989a), and that 80% of inhaled Hg is absorbed. From the data of Roels et al. (1987), the proportion of total Hg excretion which occurred via the urine was 39.8 ± 12.5 %.

1989 - 1990

More recent experiments on sheep, Hahn et al, 1989, and monkeys, Hahn et al 1990, clearly shows the major part of amalgam derived mercury to pass via the gastrointestinal tract where some of it is absorbed in tissues. These animal experiments also demonstrated a considerable absorption directly into the jaw bone an Hg accumulation in various tissues.


Skare, 1992, estimated that half of the gastrointestinal mercury might be swallowed material from corrosion and abrasion and half absorbed and execreted into the gastrointestinal tract. More accurate information is difficult to obtain when amalgam is still present in the teeth. Mercury vapor is generally considered to be the most toxic form of inorganic mercury but also swallowed mercury compounds with low solubility have caused serve poisonings after long exposure.


Skare & Engqvist, 1992, found fecal excretion of mercury from amalgam in the range 27-190 micrograms/day in persons having from 18-82 amalgam surfaces (crowns counted as 6 surfaces). Urine levels were "normal" with only one value over 8 micrograms/day.


Human exposure to mercury and silver released from dental amalgam restorations.

Arch Environ Health. 1994 Sep-Oct;49(5):384-94.

Skare I, Engqvist A.

Source: National Institute of Occupational Health Stockholm, Sweden.


In 35 healthy individuals, the number of amalgam surfaces was related to the emission rate of mercury into the oral cavity and to the excretion rate of mercury by urine. Oral emission ranged up to 125 micrograms Hg/24 h, and urinary excretions ranged from 0.4 to 19 micrograms Hg/24 h. In 10 cases, urinary and fecal excretions of mercury and silver were also measured. Fecal excretions ranged from 1 to 190 micrograms Hg/24 h and from 4 to 97 micrograms Ag/24 h. Except for urinary silver excretion, a high interplay between the variables was exhibited. The worst-case individual showed a fecal mercury excretion amounting to 100 times the mean intake of total Hg from a normal Swedish diet. With regard to a Swedish middle-age individual, the systemic uptake of mercury from amalgam was, on average, predicted to be 12 micrograms Hg/24 h.

PMID: 7944571


Hg is excreted in both urine and feces. Chronic exposure to Hg0, as from dental amalgam, results in a steady state where daily uptake and total daily excretion (urine + faeces) of Hg are in equilibrium, Weiner and Nylander 1995


Mercury in saliva and feces after removal of amalgam fillings.

Toxicol Appl Pharmacol. 1997 May;144(1):156-62.

Björkman L, Sandborgh-Englund G, Ekstrand J.

Source: Department of Basic Oral Sciences, Karolinska Institutet, Stockholm, Sweden.


The toxicological consequences of exposure to mercury (Hg) from dental amalgam fillings is a matter of debate in several countries. The purpose of this study was to obtain data on Hg concentrations in saliva and feces before and after removal of dental amalgam fillings. In addition Hg concentrations in urine, blood, and plasma were determined. Ten subjects had all amalgam fillings removed at one dental session. Before removal, the median Hg concentration in feces was more than 10 times higher than in samples from an amalgam free reference group consisting of 10 individuals (2.7 vs 0.23 mumol Hg/kg dry weight, p < 0.001). A considerable increase of the Hg concentration in feces 2 days after amalgam removal (median 280 mumol Hg/kg dry weight) was followed by a significant decrease. Sixty days after removal the median Hg concentration was still slightly higher than in samples from the reference group. In plasma, the median Hg concentration was 4 nmol/liter at baseline. Two days after removal the median Hg concentration in plasma was increased to 5 nmol/liter and declined subsequently to 1.3 nmol/liter by Day 60. In saliva, there was an exponential decline in the Hg concentration during the first 2 weeks after amalgam removal (t 1/2 = 1.8 days). It was concluded that amalgam fillings are a significant source of Hg in saliva and feces. Hg levels in all media decrease considerably after amalgam removal. The uptake of amalgam mercury in the GI tract in conjunction with removal of amalgam fillings seems to be low.

PMID: 9169079


Speciation of mercury excreted in feces from individuals with amalgam fillings.

Arch Environ Health. 1998 May-Jun;53(3):205-13.

Engqvist A, Colmsjö A, Skare I.

Source: Department of Toxicology and Chemistry, National Institute for Working Life, Solna, Sweden.


Investigators established methods for the analysis of total mercury (Hg-total), oxidized mercury and mercury bound to sulfhydryl groups (Hg-S), mercury vapor (Hg0), and mercury from amalgam particles (APs) in fecal samples. Two individuals consumed mercury as a mercury-cysteine complex mercury vapor, and mercury from amalgam particles, and the cumulative excretion of mercury in feces was followed. Investigators found that 80% of the mercury from amalgam particles and mercury bound to sulfhydryl groups was excreted, but only 40% of the mercury vapor was excreted. Speciation of mercury excreted in feces from 6 individuals with a moderate loading of amalgam fillings showed that most of the mercury originating from the fillings consisted of oxidized mercury, which was probably bound to sulfhydryl-containing compounds. The proportion of amalgam particles in fecal samples from these individuals was low, and it did not exceed 26% of the total amount of mercury excreted.

PMID: 9814717


mercury-exposure-avatarFor years I've read news stories about dental mercury amalgam fillings that failed to ask vital follow up questions for one to form a better understanding of the true risks involved with exposure to mercury fillings. Rarely was a toxicologist, neurologist or bio-chemist interviewed. Instead, the stories would always give dentists such prominence when promoting the safety of a substance of which they knew nothing about, all while never acknowleding the much lower levels of mercury at which our government has removed other products from the market. So now I'm doing what I can to help raise awareness of the many dangerous aspects of dental mercury fillings.

Website: www.mercuryexposure.info

1 Comment

  • Comment Link Rebecca Samanci Tuesday, 15 November 2011 07:22 posted by Rebecca Samanci

    My intellect is a tad sluggish these days and I wouldn't dream of attempting to read a study. The abstracts are hard enough when you have to reread something 3 time to comprehend it. (Thank you Oh Nameless Dentist who gave me that massive dose of mercury 30 years ago.)

    It is the 1998 study from Sweden I find the most compelling. First, can you imagine, two people actually ingested mercury so they could be tested as to what happens. This is what those old homeopaths did way back when to give us the "Materia Medica." Pretty heroic in the service of humanity!

    In this Swedish study it is found that a percentage of the mercury ingested was not coming out in the feces. Did all the rest come out in the urine, or was some of the remainder sequestered in the body...in places like the brain? Dr. Cutler, In his book "Amalgam Illness," says that methyl and ethyl mercury easily cross the blood brain barrier where they are oxidized into inorganic mercuric mercury which cannot cross back and get out. It just stays there, with a half life of decades and gives us Alzheimers, Autism, and a host of other problems, including, presumably, my intellectual difficulties.

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