Scientists have made a breakthrough in the battle against tooth decay.

Researchers from China and the U.S. have developed a synthetic enamel that works in a similar way to the real thing – but even stronger and more durable.

The technology uses ‘nanowires’ that operate in a simliar fashion to the tiny calcium rods found in real teeth. Scientists say the technology could one day be used to replace tooth enamel that wears away – and could have more uses beyond just human teeth.

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