Clean Teeth Without Toothpaste?

"We’ve made some pretty amazing technological advances in the past couple decades, but while our computers keep getting smaller and our processors keep getting faster, one thing has remained constant: we still brush our teeth like people did in the 1800’s.

"Japanese designer Kosho Ueshima aims to change that. He’s invented a toothbrush, dubbed Misoka, that leverages nanotechnology to clean your teeth — without the help of toothpaste."

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http://www.digitaltrends.com/cool-tech/nanotech-toothbrush-doesnt-need-toothpaste/