Tooth decay could soon be detected without resorting to potentially harmful X-rays - by using a novel electrical technique developed by dental researchers at the University of Dundee in an unusual partnership with textile experts at Heriot Watt University.
Laboratory tests show the device, which measures the electrical resistance of teeth, is twice as accurate as current examination techniques and detects decay in its earliest stages when preventive treatment is still possible.
Known as ACIST - which stands for AC impedance spectroscopy technique -the device has been developed by the Dundee team together with colleagues in St Andrews University. The sensor, which was patented in 1996, is being developed in collaboration with textile specialists at Heriot Watt University.
Caroline Petrie | alphagalileo
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