Oral B iO Series Ultimate Clean Black Replacement Brush Heads, Original Round Heads with CrissCross Bristles for Plaque Removal, 6

EFFECTIVE PLATE REMOVAL: The angled replacement head effectively and gently removes up to 100% more plaque along the gum line, compared to a traditional toothbrush COLOR-CHANGING BRISTLES: Oral-B replacement brush heads have color-changing bristles to signal when to replace them to restore 100% more effective cleaning REPLACE EVERY 3 MONTHS: A worn out toothbrush head makes cleaning teeth more difficult, not removing bacterial plaque. For deep cleaning, replace the brush head when bristles change color EXCLUSIVE FOR IOS ORAL-B HANDLES - The original Oral-B replacement brush head is designed for deep cleaning, the only compatible with your Oral-B iO electric toothbrush TEENTIST CHOICE: Oral-B, the most widely used toothbrush brand by dentists in the world