thank you for your reply to my question about which is better/composites or inlays/onlays.
I THINK the dentist that I went to, does the Cerec porcelain inlays and onlays. He said that the porcelain did contain some metal. I am going to make sure that it is not just porcelain over metal!! I am going to call him back this week to ask, before I make an appt.
This is all so confusing, as I DON"T want any toxic substances in my body, as I have a chronic illness from toxic exposure!