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Medical Studies Document Widespread Common Adverse Oral Effects of Dental Amalgam Fillings and High Levels of Accumulation of Mercury in Gums, Oral Mucosa, Jaw Bone, Brain, and Central Nervous System.  


1. Mercury is the most toxic substance people are commonly exposed to , and is known to bioaccumulate in the body and brain of people and animals that have chronic exposure.  (1,2,3)   


2.  Mercury amalgam dental fillings are the largest source of mercury in most with several dental fillings. Most with several fillings have 10 times as much mercury in excretion as the average person without amalgams, and these mercury levels decline by 90% after amalgam replacement.     (2)  


3. Amalgams leak dangerous levels of mercury due to mercury’s negative vapor pressure and oral galvanism with other metals in the mouth.   The level of daily exposure commonly exceeds the U.S. EPA health guideline for daily mercury exposure.  (2,3,4)


4. Mercury vapor given off by amalgam fillings accumulates in tooth roots, gums, jawbone, and oral tissue at high levels. Some of this accumulation is visable and called amalgam tattoos.   The number of amalgam surfaces has a statistically significant correlation to the level of mercury in saliva, oral mucosa, and brain.    (1-3)


5.  Metal Crowns over amalgam cause even higher levels of accumulation of mercury in the oral cavity   than amalgam fillings due to oral galvanism and EMF.       (1,4)


6. Those with amalgam fillings average at least 5 times higher levels of mercury in saliva than those without amalgam.   Eating, brushing, polishing, or drinking hot liquids can cause 10-fold higher levels of mercury release by amalgam fillings.     Replacement of amalgam fillings reduces levels of mercury in saliva approximately 90 %.                     (1,3).


7. Bacteria in the mouth and bacteria and Candida in intestines methylate inorganic mercury to highly toxic organic methyl mercury and mercaptans involved in bad breath             (1,3)

8. There is consensus among dental researchers that amalgam fillings are responsible for common systemic oral effects such as amalgam tattoos, oral galvanism, oral lichen planus, metal mouth, etc.  and that replacement of amalgam fillings usually resolves conditions like OLP (1,3,4)                       


9. Some of the oral conditions documented to be caused by amalgam fillings include:  gingivitis, bleeding gums, bone loss, mouth sores, oral lesions, pain and discomfort, burning mouth, "metal mouth", chronic sore throat, chronic inflammatory response, lichen planus, amalgam tattoos, autoimmune response, oral cancer, etc.                         (1,3)



 References      (over 4,000 peer-reviewed medical studies, most from National Library of Medicine Medline( or Government Agencies)                                                   

(1) Oral Effects of Amalgam Dental Fillings Documented to be Widespread and Common by Peer-Reviewed Medical and Dental Studies.;     B. Windham (Ed.), Mar 2001,    (over 100 peer-reviewed studies)


(2) Amalgam Dental Fillings Found to Be Number One Source of Mercury in Most People, with Common Daily Exposures Exceeding Gov’tHealth Guidelines for Mercury; B.Windham(Ed.)   (medical studies including large Air Force personnel study by Inst. Of Dental Research)                                                      

(3) Documentation on Exposure Levels, Adverse Health Effects Due to Amalgam Dental Fillings and Results of Replacement of Amalgam Fillings;  B.Windham(Ed.),  

 (Over 1500 Peer-Reviewed Medical or Government Studies Documenting Mechanisms by which Mercury from Amalgam causes over 40 chronic health conditions, and 60,000 clinical cases of recovery or significant improvement in these conditions after amalgam replacement)                                       

(4) The Causes of High Levels of Exposure to Mercury from  Amalgam Dental Fillings: 

  Oral Galvanic Currents of Mixed Metals(the battery in your mouth), Mercury’s Negative

Vapor Pressure, and Electromagnetic Fields(EMF) Effects on Metal Fillings;   B.Windham(Ed.)                


Technical Contact: Bernard Windham (Chemical Engineer),