CrossAction Toothbrush Heads, 12-Pack These premium replacement toothbrush heads feature bristles angled at 16 degrees to effectively target and remove up to 100% more plaque compared to a regular manual toothbrush. The advanced CleanMaximiser technology changes bristle color from green to yellow, indicating when it's time to replace the head for optimal performance and cleaning. The uniquely designed bristles reach deep between teeth for a cleaner mouth than a standard manual toothbrush. - Equipped with CleanMaximiser technology that signals when to replace the head by changing bristle color - Removes up to 100% more plaque for healthier gums compared to a regular manual toothbrush - Designed for comprehensive mouth cleaning - Perfectly angled at 16 degrees to reach deep between teeth and remove plaque - Compatible with all handles, except Pulsonic and iO - Recommended by dentists worldwide