I would second dawn.

Having your amalgams removed by a competent dentist is crucial. About half of the people I have spoken to who have had conventional dentists remove their fillings now have been diagnosed with a chronic degenerative disease.

Mercury must be contained during removal as it is extremely toxic.

Here is a short list of precautions my dentist took during my removal:

http://mercurytalk.com/wiki/index.php/Safety_Precautions_During_Amalgam_Removal