We Could Soon Be Regenerating Teeth!

OK, so we can't yet regrow hearts, lungs, or important stuff like that. But what may be coming soon is the ability to regrow teeth. Don't laugh, this is important too, if not of the same order as hearts and lungs.

Instead of Filling Cavities, Dentists May Soon Regenerate Teeth

Researchers recently discovered certain drugs, including one developed to treat Alzheimer’s, stimulate innate self-repair mechanisms

By Ferris Jabr on Scientific American

For dentists, a cavity is a conundrum—in order to save the tooth they must further damage it. Currently, the primary way to treat a cavity is to excavate the decay and the surrounding area before filling the resulting crater with a durable surrogate material such as metal, plastic or glass cement.

But what if instead of drilling holes into teeth and patching them up with synthetic fillers, dentists could coax our pearly whites to regrow themselves? Recently, Paul Sharpe, a bioengineer at King’s College London, and his colleagues discovered a new way to do exactly this in mice. Last year they published a study describing their innovative techniques in Scientific Reports. And since then they have made even more progress that edges this experimental procedure closer to human clinical trials. If the treatment eventually becomes part of the dentist’s standard tool kit, scientists say it would easily be one of the field’s most important advances in 50 years.

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