Oral-B ProfessionalCare® 8850 is the most advanced oral care system inspired by dental professionals for ultimate cleaning, superior whitening & polishing and healthy teeth and gums. It is the only toothbrush system with unique 3D Excel technology: 40,000 in-and-out pulsations per minute gently loosen plaque, and 8,800 side-to-side oscillations sweep plaque away to help keep your mouth at its healthiest. Includes: Flexisoft brushhead, DualAction brushhead, PowerPolisher brushhead, Tongue Freshener, Interdental Cleaner