Oral-B Pro-Expert All-in-One manual toothbrush comes with Crisscross bristles that attack teeth plaque from a 16 degrees angle. The toothbrush cleans along the gum line 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.