July 20, 2014Dentists aim for drill-free future

A new idea to encourage teeth to repair themselves may see the end of the fear-inducing sound of the dentist’s drill, researchers say.

Researchers at King’s College London believe electricity can be used to strengthen a tooth by forcing minerals into the layer of enamel. They hope it will get rid of the need for drills, injections and fillings.

A company has been set up to bring the technique to the dentist’s chair in the next three years.

Minerals such as calcium and phosphate naturally flow in and out of the tooth. Acid produced by bacteria munching on food in the mouth help leach minerals out.

Read more here: http://www.bbc.co.uk/news/health-27866399

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