Grumpy Old Geeks Topics Dental nanoparticles Topic Dental nanoparticles 2 mentions in 1 episode The hosts discuss proposed uses of nanoparticles to repair enamel and protect teeth and gums. Mentions 152: Don't Kick Our Robot Overlords! Mar 18, 2016 56:48 nanoparticles are coming to save your teeth 57:06 repair the enamel on your teeth and protect you against bad bacteria and gum disease