Gene Therapy Builds Tooth-growing bone:
http://www.umich.edu.../Feb05/r020105b
Well, if you want to live happily to a ripe old age, you'll probably want to have good teeth. Aside from your eyes, ears and joints and other major organs, teeth seem to take quite a lot of wear and tear for the body, and so it's nice to hear about medical science advancing towards teeth regeneration. I bet there'll be quite a strong market for that, once it gets commercialized.
