These smart teeth can detect bacteria, cavities and even stomach cancer

21st Oct 2015
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Think about a kind of a temporary tattoo which sticks on you teeth, detects bacteria, plaque buildup, cavities or infection; informs your dentist and puts you under the added social pressure to meet him. Well, this is exactly the future being invented by scientists at Princeton and Tufts.


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According to Princeton’s own news site, these researchers have used silk strands pulled from cocoons and gold wires thinner than a spider’s web, to create a removable tattoo that adheres to dental enamel and could eventually monitor a patient’s health with unprecedented sensitivity.

According to Tufts website, the sensor may have wide-ranging use. The researchers, including Manu Mannoor and Michael McAlpine have already used it to identify bacteria in saliva associated with stomach ulcers and cancers. Gerard Kugel, a professor associated with Tufts School of Dental Medicine, said “The mouth is a window to the rest of the body,” Kugel says. “You can spot a lot of potential health problems through saliva, and it’s a much less invasive way to do diagnostic tests than drawing blood.”


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