Scientists at a Chinese university say they have discovered the world’s first material that can repair damaged tooth enamel once and last for life.
A few drops of the liquid solution can fix all invisible cracks and wear on an ageing molar, according to researchers at Zhejiang University in Hangzhou, eastern China, whose work was published on Friday in the journal Science Advances.
The material, calcium phosphate ion clusters, can grow a thin layer of protective shield on teeth, the research showed. The transparent, crystal-like mineral has a structure resembling fish scales and a high mechanical strength – almost identical to the enamel on a human tooth.
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