The Oral-B Pro Advantage Deep Clean + Whitening Toothbrush features CrissCross bristles that are angled in opposing directions to lift out and sweep away plaque. CrissCross Bristle Technology is clinically proven to clean better than a regular flat trim toothbrush. The PowerTip bristles removes plaque easily from back teeth, and the tongue and cheek cleaner helps freshen breath while you brush. Trust the brand more dentists use themselves worldwide, Oral-B.