Oral-B Pro-Expert All-In-One manual toothbrush comes with CrissCross bristles that attack teeth plaque from a perfect 16 degree 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.