The Oral-B Advanced Sensitive toothbrush removes plaque bacteria at the gumline. This extra soft toothbrush features ultra soft bristles for a gentle and effective clean. The Oral-B Advanced Sensitive toothbrush has end-rounded bristles that are designed to be gentle on your teeth and gums while providing an effective clean. The ergonomic grip handle provides comfort and control of your toothbrush. 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