Oral-B Cross Action Brush Head Replacement Pack of 8Oral B Cross Action Brush Head Replacement Pack of 8 Achieve a dentist level clean every day with the Oral B Cross Action Brush Head Replacement Pack of 8. These brush heads are designed to enhance your oral hygiene routine, ensuring a thorough clean that rivals professional dental care. Featuring professionally angled bristles at 16, the Cross Action brush heads effectively reach deep between teeth, removing significantly more plaque than a standard