(952) 929 4545
Natural & Cosmetic Dentistry
Dr. Sherif Said B.D.S.
Biocompatibility of Dental Materials
Amalgam Fillings Controversy
Antibiotic Treatment Before Dental Treatment
Root Canal (Endodontic Treatment) Controversy
(952) 929 4545
(952) 929 4545
Amalgam Fillings Controversy
This controversy has existed ever since amalgam fillings (which contain mercury, silver, copper, tin, and zinc) were introduced in the 1820's. The issue is not if mercury is a toxin, but if the amount of mercury in amalgam fillings is enough to be toxic and contribute to illness in humans. The American Dental Association (ADA) and the majority of dentists believe that the amount of mercury that leaks out from amalgams fillings over a person's lifetime does not pose a health risk, except in rare instances.
The following information is presented solely to summarize both sides of the issue:
The ADA’s Council on Scientific Affairs’ 1998 report on its review of the recent scientific literature on amalgam states: "The Council concludes that, based on available scientific information, amalgam continues to be a safe and effective restorative material." The Council’s report also states, "There currently appears to be no justification for discontinuing the use of dental amalgam." More information on the ADA’s official position on amalgam fillings (as of April, 2007) can be sound at:
The Food and Drug Administration, National Institute of Dental Research, United States Public Health Service, National Multiple Sclerosis Society, and Consumers Union (publisher of Consumers Report), are in agreement with the ADA. Amalgam is the least costly, quickest, and practical way to restore teeth. Hundreds of thousands of amalgams are placed daily, and if there were a significant problem, it would be of epidemic proportion. When mercury is mixed with the other components that make up the amalgam filling, stable compounds are formed, and only trace amounts of metallic mercury remain. There is no convincing evidence that the small amount of mercury vapor from amalgams has any effect on humans.
More significant sources of mercury exposure are food, water, and air. Everyone is exposed to mercury from these sources. Studies done on people with amalgam fillings showed no correlation between the fillings and complaints such as dizziness, headache, fatigue, nervousness, depression, or joint pain. Another study found no elevated mercury in the blood and urine samples of patients over a 1-year period. The group most likely to suffer from mercury toxicity would be dentists and their assistants, who are regularly exposed to mercury vapor, yet data suggests that dentists are in as good or better health than the general population. Dr. Flanders, of the Illinois Department of Public Health, reported on 15 studies that all basically state that the scientific evidence demonstrates that the contribution of dental amalgam to the daily body burden of mercury is minor, and no adverse health effects can be attributed to amalgam restorations. Testimonials by patients of being cured of disease upon removal of amalgam fillings were not balanced with accounts of patients who did not get better. If the mercury released from amalgam fillings builds up in the body tissues and reaches toxic levels over time, then overnight cures should not be possible. The unjustified removal of amalgams is an unnecessary risk and expense. Sound tooth structure is frequently removed, increasing the potential for other complications.
Mercury toxicity experts all over the world believe that amalgam should not be used, and there is much research to support this position. In 2008, Norway, Sweden, and Denmark banned the use of amalgam. Germany and Austria have restrictions on amalgam use. Some healthcare practitioners believe amalgams should be removed using specific protocols to enable the body to successfully eliminate any stored mercury in the tissues. A protocol may involve body chemistry analysis and biocompatibility testing from blood, hair, and urine samples; vitamin and mineral supplements; removal of toxic materials in a particular sequence determined through measurement of the electric current generated by each amalgam filling; intravenous chelation therapy; and nutritional and lifestyle counseling.
Other protocols utilize electrodermal screening, homeopathy, or other alternative therapies. Be aware that many of these protocols are empirical, but the concept is that there must be regard for physiologic issues. Furthermore, the controversy includes the other kinds of materials used in crowns, bridges, fillings, and full and partial dentures too. Also, you should understand that dental treatment to remove a possible source of toxicity is a separate issue from medical treatment to detoxify the body.
Approximately 440 symptoms have been linked to toxic dental material removal. They can be grouped into 6 general categories:
1. Neurological - Some examples being tremors, headaches, emotional instability, anxiety, unexplained depression, and memory loss.
2. Cardiovascular - Some examples being abnormal blood pressure and abnormal heart rhythm.
3. Oral Disorders - Some examples being bleeding gums, metallic taste, burning sensation, canker sores, and excessive saliva
4. Immunological- Some examples being leukemia, Hodgkin's disease, multiple sclerosis, ALS, lupus erythematosis, scleroderma, and mononucleosis.
5. Gastrointestinal - Some examples being food sensitivities, abdominal cramps, chronic diarrhea or constipation.
6. Systemic- Some examples being dermatitis, thyroid disturbance, chronic fatigue, infertility, birth defects, allergies, excessive perspiration, unexplained anemia, and adrenal disease.
Many of these conditions are actually misdiagnosed, and as a result, conventional treatment is not helpful or appropriate. Keep in mind that diseases are complex and multiple factors are usually involved, therefore consultation with dentists, physicians, and other health care professionals who are knowledgeable in environmental illness is strongly recommended.
Dr. Hal Huggins' Coors Study found significant changes in the areas of blood chemistry (hemoglobin,oxyhemoglobin, porphyrins, cholesterol, creatine (phospho) kinase, total protein, white blood cells, and lymphocyte viability) in persons after their existing amalgams were removed and replaced with composite, and then when those new composites were removed and replaced with new amalgams.
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