Four zones of bacteria-removing action: The toothbrush is designed to target and remove bacteria from teeth, tongue, cheeks, and gums, ensuring thorough cleaning for the entire mouth. Medium compact head: The compact head of the toothbrush is ideal for reaching all areas of the mouth, including tight spaces and hard-to-reach areas. Multi-action bristles: The bristles are designed for effective plaque removal, providing thorough cleaning with each brush stroke. Additionally, the innovative tongue and cheek cleaner design enhances its cleaning capabilities. Dentist-recommended replacement: Dentists and hygienists recommend replacing the toothbrush every 3 months or when the bristles start to fray, ensuring continued effectiveness and hygiene. Overall, the Colgate 360 Advanced Toothbrush in Medium appears to be a reliable choice for those seeking a comfortable and effective clean for their entire mouth.