Oral-B Pulsar Toothbrush 35 Soft has soft vibrating bristles that help break up plaque between teeth and pressure-sensitive split head adjusts to the contours of your teeth to clean hard-to-reach places while moderating the amount of pressure applied to teeth and gums. Benefits: Penetrates deep between teeth. Sweeps away food and plaque from the tooth surface. Stimulates gums and gentle on teeth.