The Oral-B Pro Advantage CrissCross Manual Toothbrush with CrissCross bristles provides superior plaque removal vs. a regular manual toothbrush, removing up to 90% of plaque in hard-to-reach areas.* CrissCross bristles are angled in opposing directions to lift out and sweep away plaque and the PowerTip bristles removes plaque easily from back teeth. Change your brush every 3 months for best results! Research shows that a new toothbrush can remove up to 30% more plaque than one 3 months old.** Trust the brand more dentists use themselves worldwide, Oral-B. *based on 1-time brushing studies **research with a flat trim manual toothbrush Contains 8 Pro Advantage CrissCross medium bristle toothbrushes CrissCross bristles are angled in opposing directions to lift out and sweep away plaque PowerTip Bristles: remove plauqe easily from back teeth Tongue & Cheek Cleaner: helps freshen breath while you brush Research shows that a new toothbrush can remove up to 30% more plaque than one 3 months old.** **research with a flat trim manual toothbrush Oral-B, the brand more dentists use themselves worldwide Oral-B recommends brushing with Crest toothpaste for optimal results