Posted On: 07/02/2013 7:53:58 AM
Post# of 63818
![[image]](http://si.wsj.net/public/resources/images/OB-YA819_lab070_D_20130701134126.jpg)
Teeth That Replace Themselves
Stem-cell research makes progress in a quest to avoid root canals and the dreaded drill at the dentist's office.
(0)
(0) (0)(0)
