Hi Dawn, yes my composites are incompatible. Though, usually when a person is mercury toxic, they will react very easily to any materials. But certainly, I have some worse than others that should not be in there (ones containing phenol). Sometimes the serum test is a very good idea to have. Fluoride might show up on one test as not being good, but might be ok one the serum test. I'd probably go by the serum test more than any other test in the area of immune function. I'm not ok with fluoride when I'm testing on EAV machines, but on the serum test, I was