Oral-B iO Series Ultimate Clean Black Replacement Heads, Genuine Round Heads, Crisscross Bristles, Plaque Removal, 3

SUPERIOR EFFECTIVENESS IN REMOVING THE PLATE: The angled replacement head of the electric toothbrush effectively and gently removes up to 100% more plaque along the gum edge than a traditional toothbrush COLOR-CHANGING BRISTLES: Oral-B replacement brush heads feature color-changing bristles to signal when to replace the brush head to optimize your brushing REPLACE EVERY 3 MONTHS: A worn out toothbrush head hinders cleaning, leaving bacterial plaque unaffected. For superior cleaning, replace brush head when bristles fade EXCLUSIVE FOR IOS ORAL-B HANDLES: Get superior cleaning power with the only brush head designed exclusively and definitely compatible with your Oral-B iO electric toothbrush TEENTIST CHOICE: Oral-B, the most widely used toothbrush brand by dentists in the world