Brush your mouth-not just your teeth - with Oral-B Pro-Health 7 Benefits. By combining CrissCross® and Power Tip® bristles with soft gum massagers and a textured tongue cleaner, CrossAction Pro-Health 7 Benefits provides Seven Oral Care benefits to help you achieve a clean, healthy mouth. Direction for use : Brush your teeth at least twice a day. Not intended for children 3 years and under. Replace brush every 3 months