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The tooth fairies! British scientists invent tooth fillings that should last a lifetime!
September 19, 2016
The compound not only blocks cavities but repairs bacterial damage
It releases minerals such as calcium and phosphate, which the tooth uses to form new minerals and repair itself
It does away with the need for mercury fillings, banned in some countries
Tooth fillings supposed to last a lifetime have been invented by British scientists.
Hailed as a revolution in dental care, the compound not only blocks cavities but repairs bacterial damage. It releases minerals such as calcium and phosphate, which the tooth uses to form new minerals and repair itself.
It does away with the need for mercury fillings, banned in some countries because of toxicity. Unlike existing fillings, the new compound has almost no risk of falling out.
Professor Robert Hill, who helped to develop the technology at Queen Mary University of London, said: ‘This will change dental practice, reducing the size of cavities, repairing decay and reducing the number of secondary cavities. These fillings should last a lifetime.’
The filling is made from bioactive glass composites that release fluoride as well as calcium and phosphate needed to form tooth mineral. It fills the gaps with minerals, preventing bacteria from entering tiny holes between the filling and the tooth that can lead to more cavities.