London: The dentist`s dreaded drill may soon be a thing of past, thanks to the laser tests University of Sydney scientists have developed to identify weaknesses in dental enamel.Currently, X-rays and metal probes are used to check cavities, but they fail to detect weaknesses in the enamel in time to repair the surface.
Wang will now be working for a more compact system. "The ultimate goal is to come up with a quick, efficient, cost-effective and non-destructive way to evaluate mineralisation," New Scientist quoted him as saying. The findings have been published in the journal Optics Express. ANI
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