Dental Information  
 



 

Mercury Amalgam

                 

Boyd Haley Ph.D., University of Kentucky, Professor and Chairman, Department of Chemistry speaks out on the dangers of mercury amalgam at a protest in front of the American Dental Association's Chicago headquarters Sept. 7. To view clip, select between the 56K or broadband versions. http://www.dentalproducts.net/webextra/protest.html

bulletMaine Governor Angus King probably said it best when he compared the current use of mercury in dental fillings with the 1950's use in shoe stores of powerful x-ray machines called fluoroscopes, which exposed hundreds of thousands of adults and children to high doses of toxic x-rays.
bullet "Every child who went into the shoe store to buy new shoes would put his feet into the fluoroscope so the bones could be seen," King recalled. "People who worked in the store were exposed to the radiation all day; children played games around the machine. Now we realize it was a terrible thing to do, but then it seemed perfectly normal. Some day we will wonder how we could ever have put such a toxic substance into the human mouth." (see Maine and Amalgam)
bulletCompare this to the industry view on mercury amalgam:
bulletThe bulk of dental amalgam research and development efforts, Warsow noted, has had nothing to do with trying to reduce the mercury content. "Most of the science has been focused on changing the ratio of silver, tin, and copper, as well as adding other metals, such as palladium, to improve polishability and create a material with optimal, controlled expansion." (Greg Warsow, product manager for Kerr Dental's line of amalgam alloys).
bulletBy contrast the American Dental Association states "The ADA supports ongoing research in the development of new materials that it hopes will someday prove to be as safe and effective as dental amalgam."

 

bulletParents:
bulletThe next time you take your child to the dentist to have a cavity filled and they recommend silver amalgam, ask your dentist "what restoration material they use on their own children and why?".  If they answer "ceramic or composite because they are white and match the color of the teeth unlike silver amalgam fillings", ask yourself  "is it really just for cosmetic reasons or is it simply because your dentist doesn't want to place as much as 500 mg of mercury, the most toxic, nonradioactive metal known to man, 5 centimeters from their own child's brain?".  Which reason do you really believe?  More importantly, why is mercury amalgam good enough for your child but not for your dentist's own children?
bullet"In my opinion, the available data indicate that amalgam should be avoided whenever possible...The often cited tolerance of amalgam in relation to technique may in part be explained by dental education. Dentists learn how to place amalgam correctly in school. I wonder if this fact isn't the source of our problems with composites still today.Dr. Gary Unterbrink

http://www.ada.org/public/topics/newtopics/whitefillings.html

 

 

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Questions:

  1. How is it that the only place mercury is safe is in the mouth?

  2. How can the FDA and EPA honestly believe they are protecting the general public from environmental mercury exposure when they crack down on emissions from coal fired electric utilities and limit the consumption of seafood while at the same time they completely ignore the most prevalent source of environmental mercury exposure in the non-occupationally exposed population, dental 'silver' amalgam fillings? (see Exposure)

  3. Between these three sources, which do you feel is the most unnecessary, easiest to control or prevent, and the least beneficial? (see Fish)

  4. Why isn't the truly mercury free silver amalgam restorative developed jointly by the Dental and Medical Materials section of the National Institute of Standards and Technology (NIST) and the ADA (with tax payer dollars) being used in the U.S. even though their own research showed that "hand consolidated silver equals or exceeds the transverse rupture strength, shear strength, creep, toughness, corrosion resistance, microleakage, cyclic contact fatigue, and wear properties of conventional mercury amalgam"? (see NIST)

  5. How can mercury amalgam be considered a safe and effective dental restorative when, according to Dr. Gary Schumacher, a dentist and chief of clinical research at the American Dental Association Health Foundation's Paffenbarger Research Center, secondary cavities that form under or adjacent to conventional (amalgam) fillings are "probably the biggest problem facing most dentists today"?  Dr. Schumacher estimates more than half of the fillings done by dentists are necessitated by secondary tooth decay. (see Amalgam and Cavities)

  6. And finally, after seeing all of the following scientific and medical data refuting the safety of dental amalgam, ask yourself "What does the American Dental Association's 'Seal of Approval' really stand for?" (see ADA)

 

TABLE OF CONTENTS

What's New

 
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Mercury in Dental Amalgams:  An Examination Of the Science
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Committee on Government Reform

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Rep. Dan Burton, R-Indiana, Chairman

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Hearing: November 14, 2002

 
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The latest research on mercury release from dental amalgam
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From the IADR/AADR/CADR 80th General Session (March 6-9, 2002) San Diego, California

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Conclusions from studies: 
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There are measurable exposures to mercury from dental amalgam which persist over at least two years beyond placement, and additional exposures do result in increased measurable HgU levels. These findings are consistent with current metabolic models of low level Hg exposure and excretion but do not reflect anything about the health effects of low level Hg exposure in children with no previous exposure to any restorative material.

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Results show considerable amounts of residual mercury in wastewater lines from large dental clinics. TCLP (Toxicity Characteristic Leaching Procedure) analysis shows waste lines to be capable of leaching mercury over RCRA limits making them subject to hazardous waste disposal regulations under RCRA (Resource Conservation and Recovery Act).

 

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Review of Dr. Baratz testimony before the Florida Dental Board
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By Dr. Ralph Dougherty
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Department of Chemistry and Biochemistry

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Florida State University

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Dr. Boyd E. Haley
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Chair, Department of Chemistry

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University of Kentucky

 

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The Food and Drug Administration speaks out on the safety of mercury amalgam.
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"FDA and other organizations of the U.S. Public Health Service (USPHS) continue to investigate the safety of amalgams used in dental restorations (fillings). However, no valid scientific evidence has ever shown that amalgams cause harm to patients with dental restorations."

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To see a listing of published studies on the safety of mercury amalgam restorations see Published Studies.  Note the lack of funding for or participation by the USPHS and FDA in any of these studies.

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FDA's Hypocracy by Cindy H. Dubin, Managing Editor, Pharmaceutical Formulation and Quality

 

 
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The Relationship of the Toxic Effects of Mercury to Exacerbation of the Medical Condition Classified as Alzheimer's Disease
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By Boyd E. Haley Ph.D., Professor and Chair, Department of Chemistry, University of Kentucky, Lexington, KY

 
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Dr. Boyd E. Haley Responds to Newspaper Articles Concerning Elevated Blood Mercury Levels in Rescue Workers at the World Trade Centers 

 
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Mercury Amalgam Wastes - The Primary Source of Mercury Pollution in Our Nation's Waterways
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"The average dentist's office produces up to a  kilogram of mercury waste every year, according to estimates. Environment Canada says it all adds up to about two tonnes of toxic material – the same amount that coal-fired power plants spew into the air."

 
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Although several sources contributing to the domestic mercury concentrations have been identified, human wastes (feces and urine) from individuals with dental amalgam fillings are believed to be the most significant source — greater than 80 percent.
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Association of Metropolitan Sewerage Agencies

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Evaluation of Domestic Sources of Mercury August 2000
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Mercury - toxic going in and coming out

 
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Mercury Wastes, Just Another of the Many Problems Associated with Mercury Amalgam
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From the Regional Water Quality Control Plant (RWQCP) which treats wastewater from the East Palo Alto Sanitary District, Los Altos, Los Altos Hills, Mountain View, Palo Alto, and Stanford California.

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The Environmental Compliance Division maintains a Pretreatment Program for control of industrial dischargers and also regulates many commercial dischargers.

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The Naval Dental Research Institute Tackles the Problem of Mercury Amalgam Wastes

http://www.dentalmercury.com/home.html

 
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The ADA, dental amalgam manufacturers and dentists aren't the only ones with something to lose if mercury amalgam restorations are banned.

 
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The HALITOSIS ( Hg Approximate Levels In Teeth Or Sputum) Informational Screening program
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From Tekran Inc., a world leader in the production of instruments for measuring trace levels of mercury.

 
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Congresswomen Diane Watson (D-Los Angeles) Takes the California Dental Association to Task over the Mercury in Dental Filling Disclosure and Prohibition Act

 
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Silver fillings, free speech spur debate
bulletBy ANDY DWORKIN
bulletThe Oregonian, 03/08/02

 
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Filling Sick Lately?
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By L.A. McKeown, WebMD Medical News

 

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Are ‘silver’ dental fillings safe?
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By Francesca Lyman, Your Environment Special to MSNBC

 
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"Dentists Battle 'Gag' on Warning About Mercury.
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By Kathryn Kranhold, Staff Reporter of The Wall Street Journal

 

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Health risks of mercury in fillings debated
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By Karen Brandon, Tribune national correspondent, August 22, 2001

 

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Dr. Murray J. Vimy DMD Responds to Dr. Robert M. Anderton DDS, President of the American Dental Association

 

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The ADA Responds to Testimony Given by Dr. Boyd Haley at Hearings Chaired by Representative Dan Burton Regarding the Safety of Mercury in Dental Amalgam

 

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Dr. Boyd Haley PhD responds to the letter from  Robert M. Anderton, D.D.S., J.D., L.L.M. and President of the ADA, challenging his statement to the Committee on Government Reform looking at the topic, Autism-Why the Increased Rates? A One Year Update

 

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Mercury Toxicity Slide Show

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Toxic Effects of Mercury on Central Nervous System Nucleotide Binding Proteins: Potential Role in Alzheimer’s Disease

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By Boyd E. Haley Ph.D. and J. Curt Pendergrass Ph.D.

 

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Alzheimer's Disease and Mercury
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Published Studies Showing the Link Between Alzheimer's Disease, Mercury and Dental Amalgam

 

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Retrograde Degeneration of Neurite Membrane Structural Integrity of Nerve Growth Cones Following In Vitro Exposure to Mercury

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By Christopher C. W. Leong, Ph.D., Naweed I. Syed, Ph.D., Fritz L. Lorscheider Ph.D.

 

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Mercury Exposure Produces AD-Like Pathology In Vitro
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Mercury Induces Cell Cytotoxicity and Oxidative Stress and Increases b-Amyloid Secretion and Tau Phosphorylation in SHSY5Y Neuroblastoma Cells

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By Drs. G. Olivieri, Ch. Brack, F. Müller-Spahn, H. B. Stähelin, M. Herrmann,P. Renard, M. Brockhaus and C. Hock

 

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Mercury Amalgam and the American Dental Association
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The Contrasting Legal and Public Positions of the American Dental Association on the Safety and Use of Mercury Amalgam

 

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Amalgam Composition
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From Dentsply-Caulk, the makers of Dispersalloy®, "The world's most widely used alloy".

 

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Sources of Environmental Mercury Exposure
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From the World Health Organization

 

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Heart Disease and Mercury
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Marked Elevation of Myocardial Trace Elements in Idiopathic Dilated Cardiomyopathy Compared With Secondary Dysfunction

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A published study by Drs. Frustaci, A., Magnavita, N., Chimenti, C., Caldarulo, M., Sabbioni, E., Pietra, R., Cellini, C., Possati, G.F. and Maseri, A.

 

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TOXIC TEETH: THE CHRONIC MERCURY POISONING OF MODERN MAN
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By Dr. Murray J. Vimy DMD

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Clinical Associate Professor

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Faculty of Medicine, University of Calgary.

 

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One Dentist's Fight to Educate His Patients About the Dangers of Mercury Amalgam
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An article by Dr. Mark A. Breiner D.D.S. entitled "Does The First Amendment Apply To Dentists?"

 

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San Francisco and Mercury Amalgam
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A Resolution Passed by the City and County of San Francisco Urging the Elimination of Mercury Including Mercury Amalgam

 

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Los Angeles Times Mercury Amalgam Article
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An Article Published in the Los Angeles Times on Monday, October 25, 1999 Entitled "A Debate on Mercury in Fillings".

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By Amy Pyle, L.A. Times Staff Writer

 

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Resolution.  First Step to a Mercury-Free Los Angeles. 

 

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Published Mercury Amalgam Studies
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Selected Studies on the Release and Toxicity of Mercury from Dental Amalgam Published in Peer Reviewed Scientific, Dental and Medical Journals  With Links to the National Library of Medicine for Complete Abstracts and to Order Copies of Complete Articles with Loansome Doc.

 

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Amalgam Quotes
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Kindly provided by Dr. John Roberts B.Ch.D.

 

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Mercury in Massachusetts: An Evaluation of Sources, Emissions, Impacts and Controls.
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An excellent review article by C. Mark Smith of the Massachusetts Department of Environmental Protection covering the sources and fate of the various forms of mercury (organic and inorganic) present in the environment.

 

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Dental Amalgam: A Scientific Review and Recommended Public Health Service Strategy for Research, Education and Regulation
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Final Report of the Subcommittee on Risk Management of the Committee to Coordinate Environmental Health and Related Programs, Public Health Service, Department of Health and Human Services, January 1993.

 

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Find a Mercury Free Dentist

 

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Physical and Chemical Properties of Mercury
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From WebElements

 

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Treatment of Mercury Poisoning
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Article by  Barry Diner, MD, Chief Resident, Department of Emergency Medicine, The Brooklyn Hospital Center, on the clinical symptoms and treatment of Hg poisoning from EMedicine.com

 

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Chemistry and Toxicity of the Different Mercury Species
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Mercury Toxicity and How it Affects our Health

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Mercury Review

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Mercury in the Environment

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Mercury in General Including Elemental Mercury (Hg0)

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Mercury (II) Chloride (HgCl2)

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Methylmercury (CH3Hg+)

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Dimethylmercury

 

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Is There a Relation Between  Is There a Relation Between  SELENIUM in Blood and Subjective Symptoms Self-Related to Dental Amalgam?
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By Drs. Paul Johan Höl, Nils R. Gjerdet, Rune Eide, Jan S. Vamnes, Rolf Isrenn

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Department of Odontology, Dental Biomaterials

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University of Bergen, Bergen, Norway.

 

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Mercury Amalgam View Points - Pro and Con
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Amalgam Debate - A Lawyer's View
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By Christopher A. Bomba, J.D.

 
bulletThe Mercury In Your Molars Is Safe. Right?
bulletBy Wesley E. Shankland, II, DDS, MS, PhD
bullet Past President, American Academy of Head, Neck and Facial Pain

 
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Science and the Safety of "Silver Fillings"
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By Per Dalen MD

 
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The Fallacies of Statutory Informed Consent (pertaining to amalgam installation)
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By G. Scott Crowther

 
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The Safety of Dental Amalgam
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By Richard F. Mascola, D.D.S.,

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President, American Dental Association

 
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The Amalgam Controversy.  An Evidence-Based Analysis.
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By John E. Dodes, D.D.S.

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J Am Dent Assoc 2001 Mar;132(3):348-56

 
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Toxic Television: The Mercury Amalgam Scam
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By Dr. Stephen Barrett

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Priorities Magazine, Volume 3 Number 4 1991

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American Council on Science and Health

 

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The Legal Position of the American Dental Association  on the Safety of Mercury Containing Dental Amalgam

 

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Mercury Toxicity
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From the World Health Organization

 

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Safe Handling of Mercury and Mercury Compounds
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Environmental Health and Safety Manual Lawrence Livermore National Laboratory Volume II: Health & Safety Hazards and Controls

 

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QUANTITATIVE ANALYSIS OF Hg, Ag, Sn, Cu, Zn AND TRACE ELEMENTS IN AMALGAM REMOVED FROM AN ABUTMENT TOOTH UNDERNEATH A GOLD ALLOY BRIDGE THAT HAD BEEN IN VIVO  FOR NINE PLUS YEARS
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By Gilbert H. Jackson, III, BS Chem, JD Law. 

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http://www.ibiblio.org/amalgam/

 

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Mercury Amalgam Toxicity. Your next visit to the dentist may not be as innocent as you think.
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by Jim O'Brien

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Mercury Detoxification Protocol

 

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Age-Related Cognitive Decline and Fish Consumption

 

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The Second Annual Dental, Medical and Scientific Conference on Sources, Diagnosis and Treatment of Oral Toxicities, Held on May 26-28 in Lexington, KY
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Sponsored by Affinity Labeling Technologies, Inc.  and Kelley Dental Laboratory.

 

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Held in Conjunction with "The Law of Dental Boards and Mercury Fillings".
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Presented by Dave Swankin, Jim Turner, and Charlie Brown  Attorneys at Law.

 

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