Over 96% more bacteria removal (Overall bacteria vs. brushing teeth alone with a flat-trim toothbrush). 360 degree whole mouth clean. For a healthier whole mouth clean! (vs. a flat-trim toothbrush). Unique cheek and tongue cleaner helps remove over 96% more bacteria (Overall bacteria vs. brushing teeth alone with a flat-trim toothbrush). Tightly packed, tapered bristles and polishing cups help remove more plaque and stains than an ordinary toothbrush. Cleans: teeth, tongue, cheeks, gums. Dentists & Hygienists recommend replacing your toothbrush every 3 months.