Oral-B Pro-Expert CrossAction All-In-One Toothbrush removes up to 99% of plaque, also cleaning along the gum line with carefully polished end-rounded bristles that gently massage your gums. A textured tongue cleaner is included which helps clean your tongue and leave your breath smelling fresh. The Oral-B Pro-Expert Cross Action All-In-One toothbrush is designed with 16 angled Criss Cross bristles that flex and straighten to penetrate hard-to-reach plaque in-between teeth removing up to 99% of plaque. The power tip bristles reach deep and clean hard-to-reach areas while still being gentle enough on your enamel. Located on the back of the brush is a tongue cleaner that helps to remove germs from your tongue leaving your breath fresh.