"Shapeshifting microrobots can brush and floss teeth: Hands-free system could effectively automate the treatment and removal of tooth-decay-causing bacteria and dental plaque, research shows"

A robotic microswarm may one day automate the routine of rinsing, brushing, and flossing teeth. A multidisciplinary team developed the technology, which employs a magnetic field to direct the iron oxide nanoparticle-based microrobots into antimicrobial bristle- and floss-shaped arrays.