Ethan J. A. SchoonoverYes but *where*
Badtux the Snarky Penguin@ethanschoonover The tooth regrowth trials are by Dr. Katsu Takahashi at Kyoto University Hospital. The subject must have intact dormant 3rd row tooth buds that can be activated, so if the former tooth was abscessed and took out the underlying bone and dormant 3rd row tooth bud, it won't work. (We are born with enough tooth buds to grow three sets of teeth, but one set of those buds stays dormant).
Thomas Sturm@tsturm @ethanschoonover Sadly we are not like sharks, which can grow an unlimited number of sets of teeth. Wouldn’t that be cool?
@badtux @ethanschoonover I'd never heard that there's a potential third row of teeth.