Scientists have discovered a way to grow back tooth enamel, a development that could spell the end of fillings as a method to repair cavities.
A team of researchers of China’s Zhejiang University were able to create a gel that makes tooth enamel repair itself, they wrote in the science journal Science Advances.
Enamel is the mineralised substance that covers the surface of teeth. Its highly complicated structure, with enamel rods interwoven with inter-rods in a fish scale pattern, makes it the hardest tissue in the human body.
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