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Technology update

Nov 12, 2007

Gold particles get to work on sensitive teeth

Brushing gold nanoparticles over the surface of a tooth and then zapping the area with a laser could provide a long-lasting treatment for sensitive teeth, according to the work of scientists in Taiwan. Developed by researchers at the National Chung-Cheng University and the Buddhist Dalin Tzu Chi General Hospital, the method may be ready for testing on living teeth in as little as 12–24 months.

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