A shapeshifting robotic microswarm may one day act as a toothbrush, rinse, and dental floss in one. The technology, developed by a multidisciplinary team at the University of Pennsylvania, is poised ...
When it comes to brushing your teeth, here's a piece of advice you may never have heard: don't focus on your teeth. Instead, think more about your gums, particularly the border where teeth meet gums.