The Oral-B Advanced Whitening toothbrush removes 80% of surface stains for a whiter smile. Uniquely designed with polishing cups that surround each tooth to clean deep, the Advanced Whitening toothbrush works with toothpaste to whiten by polishing away surface stains and removing plaque. Power tip bristles help reach behind back teeth. The Oral-B Advanced Whitening toothbrush also features color changing bristles that fade from blue to white to signal it is time to replace your toothbrush. This soft bristle toothbrush has a tongue and cheek cleaner to remove odor-causing bacteria. For the best results, change your toothbrush regularly. A new toothbrush cleans 95% better in hard-to-reach areas.* This pack of Oral-B toothbrushes include different colors of toothbrushes for households with multiple people or stocking up. Oral-B is the #1 Toothbrush Brand Used by Dentists Worldwide. *vs. one 3 months old; research with a flat trim toothbrush