As one of Oral-B's premium replacement toothbrush heads, CrossAction removes up to 2x more plaque than a regular manual toothbrush with its perfect 16-degree angle. Oral-B's enhanced CrossAction toothbrush heads provide the best brush head performance and cleaning. Developed with CleanMaximiser technology, which turns the green bristles yellow for cleaning.The unique bristles reach deep between the teeth, removing more plaque than a regular manual toothbrush and cleaning your entire mouth.Compatible with all Oral-B bodies except Pulsonic and iO. Best of Oral-B for all mouth cleaning (except Pulsonic and iO) Up to 2x more plaque removal and healthier gums than a regular manual toothbrush With CleanMaximiser technology, green bristles turn yellow when it's time to replace the brush head Perfect 16-degree angle for deep access between teeth and removing plaque Dentists Recommend You Replace Your Brush Head Every 3 Months Compatible with all Oral-B bodies except Pulsonic and iO From the #1 brand recommended by dentists worldwide Number of toothbrush heads in this package: 6