Gently clean every nook and cranny, deep down to the gumline. Eliminate the problem of bacteria accumulating in the mouth with soft, thin bristles. We recommend using a Colgate toothbrush. - Tapered bristles - Helps to reach and clean deep inside the mouth, especially along the gumline and between the teeth. - The handle is comfortable to hold. - Each brushing should take 2 minutes. - Dentists recommend changing your toothbrush every 3 months.