https://www.phillyvoice.com/microscopic-robots-could-one-day-clean-your-teeth/
Would you let robots clean your teeth? | PhillyVoice
Apr 29, 2019 - Scientists at the University of Pennsylvania developed a microscopic robotic cleaning crew that removes dental plaque from teeth.
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https://www.salon.com/2019/03/15/clean-your-teeth-with-this-dentist-approved-aqua-flosser/
Clean your teeth with this dentist-approved aqua flosser - Salon.com
Mar 15, 2019 - This flosser is 5x more effective than traditional flossing
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