HI Jason, wow that's a lot of information. Personally I've reached a point where I have no idea what to do or get. But it does seem that they all contain metals.

It's kind of put me off actually, but I guess it won't matter what material I get, they all have draw backs.

I don't know what's in diamond lite, but yes it is popular and used a lot. Seems to be highly biocompatible. Cerec is too so I hear.

I guess it's down to what comes up ok on the test and what you tolerate, whether you go further and use a sample or not.

I don't know what to do myself now. I'm kind of scared by the whole thing. If I did do it, I would be afraid to get all my materials done, because if there was any reaction, I'd be devastaed, considering the cost.

Good luck though.