Removes More Plaque Than Any Other Toothbrush. The Brand More Dentists Use Themselves. Densely bristled Power Tip reaches to clean behind back teeth. Raised green CrissCross bristles work in opposing directions to clean deeper throughout the brush stroke. Blue Indicator bristles fade with use to show when it's time to replace. Rubber grip with thumb stops on front and back for additional comfort, ease of use, firmer grip, and control. Ergonomically designed handle fits comfortably in hand and provides a secure grip.