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Shapeshifting microrobots can brush and floss teeth
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Shapeshifting microrobots can brush and floss teeth

UNIVERSITY OF PENNSYLVANIA IMAGE: ARRANGED IN BRISTLE-LIKE STRUCTURES, A ROBOTIC MICROSWARM OF IRON OXIDE NANOPARTICLES DEVELOPED BY A TEAM FROM THE UNIVERSITY OF PENNSYLVANIA EFFECTIVELY CLEANED PLAQUE FROM TEETH. THE NANOPARTICLES HAVE BOTH MAGNETIC AND CATALYTIC PROPERTIES; CATALYZED HYDROGEN PEROXIDE PRODUCED FREE RADICALS THAT ELIMINATED TOOTH DECAY-CAUSING PATHOGENS AS WELL. CREDIT: IMAGE: MINJUN OH/PENN DENTAL...