You've got a bunch of good options here. Bumrumgrad is good, but pricey. Got a bridge and crowns re-done here (after dumping motorcycle).
http://www.dentalhospitalbangkok.com/index.html Excellent service, technology, and prices. Plus they're open Sat & Sun (which came in handy in my case). My expat buddies said that St Louis Hospital's prices are the best though. LINK:
http://www.thaimakeover.com/cosmetic...-thailand.html wj