Raul Estrada, 6, of Hialeah, Fla., showed off two permanent teeth growing in where two loose baby teeth were surgically removed for stem-cell harvesting.
Raul Estrada, 6, of Hialeah, Fla., showed off two permanent teeth growing in where two loose baby teeth were surgically removed for stem-cell harvesting. MCT
Raul Estrada, 6, of Hialeah, Fla., showed off two permanent teeth growing in where two loose baby teeth were surgically removed for stem-cell harvesting. MCT

Pulled teeth are now seen as a source of stem cells

February 08, 2011 12:00 AM