Oral B Advantage Toothbrush, Medium, 501

AdvanceClean. Glide. Deep cleans. Oral-B Advantage glide advance clean features: 1. Z-cut bristles are designed to clean deep between teeth and along the gumline. 2. Exclusive green glide bristles: clean between teeth to help give you a thorough clean; have Interslide technology from glide floss. 3. Indicator bristles. Blue indicator bristles fade halfway so you know when to replace your brush. Dentists recommend changing your brush every 3 months. Clinical research shows that a new toothbrush can remove up to 30% more plaque than one 3 months old. (Research with a flat trim manual toothbrush.) Made in Germany.