Laser device catches cavities beneath fillings

06/27/2013 | WPVI-TV (Philadelphia)

A device that uses low-power pulsating laser light can detect cavities behind fillings, crowns and sealants, where X-rays fail. It can also detect decay in pits and pockets on teeth, and can show whether tooth-strengthening therapies are working. The device may help patients avoid costly treatment for undetected tooth decay.

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WPVI-TV (Philadelphia)

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