Cross Action is one of the premium dents. The 16 degree angle of its oblique bristles target plaque to remove up to 100% more plaque than a conventional manual toothbrush. Oral-B Cross Action Dents have been designed with clean maximiser technology, which has green bristles turn yellow for optimum brush performance and flawless cleaning. Its exclusive bristles thoroughly clean interdental spaces to remove plaque leaving your mouth cleaner than with the use of a conventional manual toothbrush. Compatible with all Oral-B handles, except pulsion and Io.