Oral-B iO4 Electric Toothbrush - Matt Black. Oral-B ROUND brush heads REACH WHERE RECTANGULAR manual toothbrushes DON'T. FOR HEALTHIER GUMS IN JUST 1 WEEK with ORAL-B'S MOST ADVANCED TECHNOLOGY: Removes 100% more plaque and up to 160% in between teeth (vs. a manual toothbrush).
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