Nanotech toothbrush makes toothpaste obsolete

Electric toothbrushes were due an upgrade sooner or later and here it is: a toothbrush that doesn't need toothpaste.

Yes, Japanese designer Kosho Ueshima has invented a toothbrush that uses nanotechnology to clean your pearly whites. The brush, dubbed Misoka, uses specially-engineered
Nanotech toothbrush makes toothpaste obsolete