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Littleredcorvette ago

Stem cells. They are getting stem cells from the teeth. Look at this random web site I found. A company that stores them for you.

"First, there is evidence that the younger the tooth or the donor is, the more potent the stem cells are. Second, Store-A-Tooth preserves dental stem cells from teeth that are already extracted or removed by a dentist – which would otherwise be thrown away – so there is no extra procedure, discomfort, or inconvenience for you or your child."

http://www.store-a-tooth.com/how-faq#.WKJLmYY8KEc

Tanngrisnir ago

You are right on the money.