
Traditional silver fillings used for repairing cavities are actually a mixture of several metals, called an amalgam. They are half mercury, which has led to concerns as mercury is in most forms a very toxic metal, even at very low levels.
Mercury is amongst the most toxic substances affecting large numbers of people. Dental amalgams are the source of exposure for most people.
Symptoms of chronic mercury poisoning include irritability, anxiety, tiredness, inability to concentrate, depression and insomnia.
Mercury levels increase following the drilling out of old fillings. Mercury vapor is released from fillings throughout their lifetime and easily enters the body.
Patients should seriously consider removal of existing mercury fillings and use of other materials in future dental treatment.