A simple laser blast could help grow your teeth back

2012 The Awakening

ScienceAlert Staff
Friday, 30 May 2014

No more fillings! Scientists have figured out how to regenerate dentin, the material inside our teeth.

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Image: Muskoka Stock Photos/Shutterstock

And all it takes is a quick blast with a low-powered laser, according to new research by a team of Harvard University-led scientists.

The new study published in Science Translational Medicine shows that a low-power laser can trigger stem cells in your tooth to form dentin.

As Sarah Zhang reports for Gizmodo, currently dentists can only replace damaged dentin with synthetic material, for example, when you get a filling or root canal.

But using this new technique, dentists may soon be able to actually regrow your tooth.

It sounds counterintuitive, seeing as high-power lasers can also destroy your teeth, but for years anecdotal reports have suggested that low-power laser could stimulate skin or hair growth – and now this study has shown the…

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