It has been clinically proven that the Oral-B Vitality Electric Toothbrush cleanses the oral cavity more efficiently than a conventional toothbrush. The 3DWhite professional interchangeable brush head effectively cleans every tooth. A special polishing cup effectively removes darkening of the surface of tooth enamel and plaque, and is also ideal for high-quality cleaning and whitening. The built-in timer will notify you of the completion of the 2-minute cleaning procedure recommended by the dentists. Opt for Oral-B, the # 1 toothbrush brand recommended by most dentists in the world.