http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (Medical Xpress) -- Scientists using nanotechology at the University of Maryland School of Dentistry have created the first cavity-filling composite that kills harmful bacteria and regenerates tooth structure lost to bacterial decay. http://medicalxpress.com/news/2012-05-scientists-dental-bacteria-remineralize-tooth.html Health Thu, 03 May 2012 16:30:01 EST news255280102