Can we regrow our teeth?
Going to the dentist doesn't exactly evoke joy for most. But are the days of drilling, filing and pulling teeth soon to be behind us? Hannele Ruohola-Baker spends her days working on what sounds like science fiction - helping people regrow their own teeth. She's a biochemist and stem cell researcher from The University of Washington and part of a team exploring how stem cells can be guided to form tooth structures and even regenerate enamel, opening up the possibility that future dental treatment could involve growing back damaged teeth.
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