Oral b trizone 2000 features angled criss cross bristles which remove up to 100 more plaque than a regular toothbrush the special cleaning system mimics professional cleaning tools by pulsating and sweeping back and forth cleansing teeth of plaque and impurities r r ergonomic handle for comfortable brushing r r 8 800 rotations and 40 000 pulsations per minute r r smart timer for more efficient brushing r r recharge indicator light r r pressure sensor which lights up when youre brushing too