Hi James, in retrospect, I wonder why I bothered! Composites are cheaper and they can still last quite sometime. Porcelain lasts almost a lifetime, plus is harder and less likely to leach out its components. I guess porcelain is a good one to use if you have really big deep cavities and/or you want something that lasts pretty much most of your life.

I guess I felt it might be a worthwhile investment in the long term, considering many of my composites were old, shrinking and needed redoing (some were 13 years old, not bad eh?). I took the chance and thought perhaps some of my symptoms too might improve, in case I was not very compatible with composites...

but turns out, nothing has changed. If anything I am worse from the procedure, but I put that down to anaesthetic and possibly dental office mercury vapor exposure (from the daily drilling other people's teeth). Probably breathed that in while I was there.

I think some types of porcelain are better than others, just as some composites maybe better than others too. Still, it is very individual too. You can check with the dentist if he uses a good allround material that suits most people. You should be able to discuss all concerns with him/her.

Unfortunately, mercury makes a person more chemically sensitive too, so things you might not normally react to can become more of an issue. You can always find out what kind of materials your dentist uses if you wish to get testing done on them. Various tests can be done like serum testing, Voll testing etc. Cheek and gum test for oral reactions and/or noticing other reactions.

That is up to you should you wish to do that. I personally haven't noticed a darned bit of difference WHAT ones I had put in. My immunity is pretty stuffed due to infections, rather than anything else I believe.

Perhaps you could get ONE done on your initial visit and see how you feel over the next few weeks before getting the other ones done. You'll also feel pretty confident with the new material if you do ok during that time.