Oral b pro expert pulsar toothbrush medium features soft micropulse bristles that vibrate between teeth and helps to break up the plaque for complete dental hygiene its pressure sensitive split head adjusts to the contours of your teeth and helps you easily reach hard to reach areas while being gentle on your enamel and gums r r product features r r r r gentle bristles for safe cleaning r r penetrates deep between teeth r r battery operated r r sweeps away plaque from the tooth surface