regeneration teeth

hello
have you heard to speak about the possibility of teeth regeneration?
There was a tibetan herb now difficult to find.
I find in the web a Christofer powder teeth that in one case had be regrow teeth. Do you wnt help me in this search?
If you want to know something about you can visit the forum of www.merkabaweb.net in the sector dentists.the website is in italian with many oages in english. The forum about dentiregeneration teeth is in english.
see you
garuda