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Tooth tattoo: Tiny oral sensor may help dentists assess patients' oral and overall health

from Tuffs Now

Gold, silk and graphite may not be the first materials that come to mind when you think of cutting-edge technology. Put them together, though, and you have the basic components of a new ultra-thin, flexible oral sensor that can measure bacteria levels in the mouth. The device, attached temporarily to a tooth, could one day help dentists fine-tune treatments for patients with chronic periodontitis, for example, or even provide a window on a patient's overall health. The sensor, dubbed a "tooth tattoo," was developed by the Princeton nanoscientist Michael McAlpine and Tufts bioengineers Fiorenzo Omenetto, David Kaplan and Hu Tao. more


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