Rather than being rewarded with a coin, stem cells within the tooth will be stored to cure them of some of the deadliest afflictions they might suffer half a century later. "Parents will want to store the stem cells found in the pulp inside these juvenile teeth in liquid nitrogen" says Dr Stan Gronthos, a haematologist at the Hanson Institute in Adelaide, South Australia. "That way they could be used to grow new teeth and perhaps even cure neurological disorders like Parkinson's disease."
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