Lasers 'could prevent' need for root canal treatment

May 29, 2014 2:11 AM

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Lasers 'could prevent' need for root canal treatment

Lasers have been used to regenerate parts of damaged teeth and could one day be used to prevent root canal treatments, claim US researchers.

The laser beam triggered a series of changes that led to the formation of new dentin, the layer below the enamel, in animal tests.

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