University of Pennsylvania researchers are developing a teeth cleaning system out of nanoparticles. Plus: Blizzbrush is an antimicrobial sponge the makers say can do the job of a toothbrush in just ten seconds.
Shapeshifting microrobots can brush and floss teeth (University of Pennsylvania)
3D printed 'blizzbrush 5.0 toothbrush-sponge' cleans entire mouth in just 10 seconds (designboom)
