Over 96% More Bacteria Removal (vs. a flat-trim toothbrush, 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, cheeks, tongue and gums