Designed to get your teeth really clean! Compare to Reach advanced design (Reach is a registered trademark of the Johnson & Johnson Company). Tapered head and angled neck to easily clean difficult-to-reach places. Bi-level bristles help to remove plaque from along the gum line. Textured tongue and cheek cleaner on back of toothbrush head removes more odor-causing bacteria than brushing alone. Rubber handle grip for better control. Dentist recommend replacing your toothbrush every 3 months. Questions? 1-888-423-0139. www.topcarebrand.com. Quality guaranteed. This Top Care product is laboratory tested to guarantee its highest quality. Your total satisfaction is guaranteed.