This highly advanced brush features a dentist inspired round head that surrounds and cups each tooth with dynamic oscillating rotating and pulsating movements to remove up to 100 more plaque than a regular manual toothbrush oral b replacement electric toothbrush heads feature a professionally inspired design that surrounds each tooth the dynamic movement of 3d cleaning action helps the brush head adapt to your teeth as it oscillates rotates and pulsates to break up and remove up to 100 mo