1. Perfect Brushing Partners The brush heads are tailormade for the Wave's dualaction brushing method, which aligns with the dentistrecommended Modified Bass Technique, allowing them to better conform to the surface of teeth for a comprehensive clean. 2. Honestly Priced The brush heads are conscientiously priced, making it easy to get replacements for the Wave. 3. Soft on Teeth, Hard on Plaque The all cushioned design is made of a soft, sanitary TPU material for a soft texture that's gentle on your teeth, while still delivering powerful brushing. 4. HighQuality Bristles The Gum Care brush head uses ultrathin PBT bristles that reach deep into the gaps between teeth, and the SuperClean and UltraWhitening brush heads use premium DuPont bristles for an incredible clean. The brush heads are also equipped with 90day Reminder Bristles that let you know when it's time for a change. 5. Dynamic Balancing The brush head features an innovative metal counterweight attached to the back, allowing for stable oscillations, reduced noise, and protective gum care, resulting in a more comfortable brushing experience. 6. TÜV Rheinland Approved The brush heads have been certified by the worldrenowned TÜV Rheinland, ensuring high quality and .