Ever see those LED brushes on late-night TV that say they’ll grow your hair back? -Well, it turns out they work; -or at least the theory anyway.
Results were spotty, and the principles weren’t well-understood; -until now.
Using low-powered lasers, some creative dentistry & great analysis, a Harvard team has figured out how to regenerate the bony-core of teeth in 12 weeks, using only light.
(not as impressive as growing a whole new tooth, but anyway)…