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Dental care may be improved by nanotechnology
Updated: 7/7/2009 3:00:24 PM

Dental care may be improved by nanotechnology A researcher at the Medical College of Georgia is trying to find a way to improve dental care by making the adhesive bonds used in tooth-colored fillings more durable.

"Dentin adhesives bond well initially, but then the hybrid layer between the adhesive and the dentin begins to break down in as little as one year," said Dr Franklin Tay of the MCG School of Dentistry. "When that happens, the restoration will eventually fail and come off the tooth."

Dr Tay is researching ways to prevent this through a technique called guided tissue remineralization. This new nanotechnology process involves growing small, mineral-rich crystals and guiding them into spaces between the teeth and the new filling bond. The approach will allow dentists to mimic the way eggshells and sea snail shells incorporate minerals to make themselves more durable. Dr Tay's goal is to synthesize something that will repair a cavity on its own.

The best way to avoid cavities and other dental health problems is with proper dental care and regular dental checkups, according to the American Dental Association.

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