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Scientists Use Laser Therapy to Repair Teeth

Cavities in teeth may someday be repaired using laser therapy. U.S. researchers are using the technology to regrow the tissue inside damaged teeth. Since the 1960's, physicians have used laser therapy to repair damaged tissue and destroy unwanted cells. Lasers can be tuned to different wavelengths to remove plaque from coronary arteries, to seal off leaky blood vessels in the eyes of people with diabetes to preserve sight, and to reattach retinas, the light sensing...

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