New Bristle Technology: Oral-B Cross Action brush head turns from green to yellow, indicating when it is time to change. Features precise angles that target plaque to remove up to 100% more plaque vs. a regular manual toothbrush. The shape of the brush head is designed for optimal tooth coverage. Bristles reach deep between teeth to remove plaque and leave your whole mouth cleaner than a regular manual toothbrush  

Features and Benefits 

• Features perfectly angled bristles to get deep in between teeth and remove plaque 
• Bristles clean tooth by tooth to help remove up to 100% plaque 
• Angled bristles set at 16 degrees to effectively clean along the gumline 
• Compatible with all Oral-B rechargeable handles (except iO Series/ Battery/Sonic brushes) 
• Oral-B®, #1 Toothbrush Brand Used By Dentists Worldwide 

This refill is not compatible with the iO range.