  "Pat, what is the metal content of my childhood dental fillings and could they be adversley affecting my health? " There are apparently a few different types, here is an example: Conventional amalgams Silver: 65% min. Tin: 29% max. Copper: 6% max. Mercury: 3% max. (Pre-amalgamation) Zinc: 2% max. This is mixed with liquid mercury and then spread into the cavity. Now you are saying, "Mercury! isn't that bad? " Yes it is. But is it harmful once it is sealed in the cavity. Depends on who you talk to: urlLink Filling a Need or Foiling Health? urlLink Bioprobe.com , These people are militant about eliminating the Mercury. 
