Credit: Geelsu Hwang and Edward Steager/University of Pennsylvania
A visit to the dentist typically involves time-consuming and sometimes unpleasant scraping with mechanical tools to remove plaque from teeth. What if, instead, a dentist could deploy a small army of tiny robots to precisely and non-invasively remove that buildup?
A team of engineers, dentists, and biologists from the University of Pennsylvania developed a microscopic robotic cleaning crew...
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