Document Detail

Need for informed consent for dentists who use mercury amalgam restorative material as well as technical considerations in removal of dental amalgam restorations.
MedLine Citation:
PMID:  18197828     Owner:  NLM     Status:  MEDLINE    
Amalgam restorative material generally contains 50% mercury (Hg) in a complex mixture of copper, tin, silver, and zinc. It has been well documented that this mixture continually emits mercury vapor, which is dramatically increased by chewing, eating, brushing, and drinking hot liquids. Mercury has been demonstrated to have damaging effects on the kidney, central nervous system, and cardiovascular system, and has been implicated in gingival tattoos. While mercury amalgams may result in detrimental exposure to the patient, they can also be a danger in dental practices. In Europe, the federal governments of Norway, Finland, Denmark, and Sweden have enacted legislation requiring that dental patients receive informed consent information about the dental restorative material that will be used. In the United States, a few state governments have enacted informed consent legislation for dental patients receiving dental restorations. These state legislations were enacted by Maine, California, Connecticut, and Vermont. It is a sad tragedy that mercury is causing such health damage to many people. The American Dental Association has said for the past 150 years that the mercury in amalgam is safe and does not leak; however, no clinical studies were ever done and the Food and Drug Administration approved amalgam under a grandfather clause. Subsequent studies have shown this claim of safety not to be true. Over ten years ago, the Federation of American Societies for Experimental Biology Journal published a comprehensive article calling mercury restorative material a major source of mercury exposure to the U.S. population. The authors of this paper recommend that federal and state legislation be passed throughout our country to ensure that consent forms are given to patients receiving silver-mercury amalgam restorative material.
Richard F Edlich; Jill Amanda Greene; Amy A Cochran; Angela R Kelley; K Dean Gubler; Brianna M Olson; Mary Anne Hudson; Dayna R Woode; William B Long; Walter McGregor; Carolyn Yoder; Debra B Hopkins; Jessica P Saepoff
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of environmental pathology, toxicology and oncology : official organ of the International Society for Environmental Toxicology and Cancer     Volume:  26     ISSN:  0731-8898     ISO Abbreviation:  J. Environ. Pathol. Toxicol. Oncol.     Publication Date:  2007  
Date Detail:
Created Date:  2008-01-16     Completed Date:  2008-03-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8501420     Medline TA:  J Environ Pathol Toxicol Oncol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  305-22     Citation Subset:  IM    
Biomechanical Engineering and Emergency Medicine, DeCamp Burn and Wound Healing Center, University of Virginia Health System, Charlottesville, VA, USA.
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MeSH Terms
Dental Amalgam* / chemistry,  therapeutic use
Dental Restoration, Permanent / adverse effects*,  standards
Informed Consent / legislation & jurisprudence*
Legislation, Dental*
Mercury* / adverse effects,  blood,  chemistry
Mercury Poisoning* / etiology,  prevention & control
Occupational Exposure / adverse effects
Reg. No./Substance:
7439-97-6/Mercury; 8049-85-2/Dental Amalgam

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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