"Gentle Care adapts precisely to the curvature of the tooth and gum line for gentle and effective cleaning. Large number of filaments: Over 4000 filaments to deliver gentle yet effective cleaning Oral-B's unique round head, the filaments are meticulously arranged to best surround each tooth for the best possible cleaning. Dentists recommend replacing the brush head every 3 months for the best cleaning. Number of toothbrush heads included in this pack: 4 Designed exclusively for your Oral-B iO. Compatibility guaranteed."
