Philips Sonicare Premium Plaque Control standard brush heads suitable for all models. The Plaque Control toothbrush is ideal for those who want more than a thorough cleaning to remove plaque completely from the surface of the teeth. Ideal for people who have problems with tartar build-up. Includes: 4 standard size soft brushes. Standard brushes: 4 standard sizes of 4 brushes, standard brush sizes: 4 standard brush sizes in 4 standard sizes.