Hi Renga, > I had mercury amalgum filling in my lower molars on both sides of my mouth. > One of them partially came off a week ago. I thought this is a good time to > remove all mercury stuff and replace with non-metallic fill. When I met the > Dentist this wednesday, she said that she couldn't simply do a fill; instead > she needed to do root canal on both molars; I had to deal with something similar last year (or the year before - can't remember at the moment). I couldn't find a whole lot of trustworthy-looking information (but here are the url's I found, for whatever they're worth). I called dentists and oral surgeons across the United States and asked for their opinions on some of the problems I read about. What I finally decided to do was have my tooth extracted (that's the fancy word for "pulled out"). My tooth was way in the back, and I was told it was just not a critical tooth. And from what I could gather, the possible dangers of root canals were worrisome enough to not want to go that way. Here are the sites: (and I'm sure there are newer better ones now than these)... http://rheumatic.org/teeth.htm http://vest.gu.se/~bosse/xNeurol.html http://www.holisticmed.com/dental/root.html http://www.trufax.org/menu/heavy.html http://www.dentalreview.com/Patients_corner.htm http://emporium.turnpike.net/P/PDHA/mercury/dentist.htm Let us know what you turn up, and what you decide. Love Liza