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New "No-Brush" Toothbrush Claims to Clean Teeth With Ultrasonic Waves Only, Emmi-dent Reveals



12/12/2012 7:55:02 AM

Plain toothbrushes where users manually scrub their teeth have long been replaced by vibrating electric versions with whirling whitening heads, but the technology has essentially remained the same: toothbrushes, manual or electric, continue to rub the abrasive cleaning agents in toothpaste against teeth to remove plaque.

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