Oral b pro expert crossaction all around clean manual toothbrush comes with crisscross bristles that attack teeth plaque from a 16176 angle the toothbrush cleans along the gumline with its carefully polished end rounded bristles and gently massages your gums with soft gum stimulators plus the textured tongue cleaner helps remove germs on your tongue to leave your breath feeling fresh removes up to 99 of plaque in hard to reach areas vs a regular manual toothbrush 16176 a