can any one tell me how safe 3-m products are

im geting ready to get the meurcry fillings out of my teeth/body and i want the very safest product avaiable my biologcal dentest gave me a list of what he likes to use but with out knowing what im puting in my body. please can any one tell me anything good or whats not good about this list of five products i have to choose from. #1 sinfony #2 belleglass #3 wol-ceram #4 concept*hp #5 cercon zirconia i also asked him about diamond he told me he did not like diamond and i thought that was the best so now what do i do? Tweet