Tooth-rebuilding treatment hailed

Mid Devon Star: The way dentists treat tooth cavities could be revolutionised by new research The way dentists treat tooth cavities could be revolutionised by new research

Dentists' drills are set to become an unpleasant memory thanks to a tooth-rebuilding treatment that could be available in three years.

The technique developed at King's College London does away with fillings and instead encourages teeth to repair themselves.

Tooth decay is normally removed by drilling after which the cavity is filled with a material such as amalgam or composite resin.

The new treatment, called Electrically Accelerated and Enhanced Remineralisation (EAER), accelerates the natural movement of calcium and phosphate minerals into the damaged tooth.

A two-step process first prepares the damaged area of enamel, then uses a tiny electric current to push minerals into the repair site. The tooth is remineralised painlessly without the need for drilling, injections or filling.

Professor Nigel Pitts, from King's College London's Dental Institute, said: "The way we treat teeth today is not ideal. When we repair a tooth by putting in a filling, that tooth enters a cycle of drilling and re-filling as, ultimately, each 'repair' fails.

"Not only is our device kinder to the patient and better for their teeth, but it's expected to be at least as cost-effective as current dental treatments. Along with fighting tooth decay, our device can also be used to whiten teeth."

A spin-out company, Reminova Ltd, has been set up to commercialise the research. Based in Perth, Scotland, it is now in the process of seeking private investment to develop EAER.

The company is the first to emerge from the King's College London Dental Innovation and Translation Centre which was set up in January to take n ovel technologies and turn them into new products and practices.

King's College is a participant in MedCity, a project launched by London mayor Boris Johnson to promote entrepreneurship in the London-Oxford-Cambridge life sciences "golden triangle".

MedCity chairman Kit Malthouse said: "It's brilliant to see the really creative research taking place at King's making its way out of the lab so quickly and being turned into a new device that has the potential to make a real difference to the dental health and patient experience of people with tooth decay."

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