Teeth don't grow back, as your dentist might like to remind you while revving up the drill for a root canal. But scientists have now found a way to regenerate dentin, the hard stuff in the middle of the tooth, right in the mouth. It's surprisingly simple, too--all it takes is a blast of laser.
Teeth don't grow back, as your dentist might like to remind you while revving up the drill for a root canal. But scientists have now found a way to regenerate dentin, the hard stuff in the middle of the tooth, right in the mouth. It's surprisingly simple, too--all it takes is a blast of laser.
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