UofA researcher find a way to regrow teeth

[Ustauk]

A University of Alberta researcher has found a way to regrow teeth from the root.  I don't know if there has to still be some rooth left to work with, but this may help those of us missing a few teeth (Zapta comes to mind in particular)
http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20060628/teeth_regrowth_060628/20060628?hub=Health