The sonic technology combined with the movement of the toothbrush gently removes tartar up to 3 times better than a normal toothbrush. The powerful vibrations of the fibers direct the microbubbles deep between the teeth and along the gums for an incredible feeling of freshness. In just 2 minutes, you get the effect of brushing your hands for two months Brushing your teeth at 31000 brush strokes per minute gently cleans and breaks down tartar for a superior daily clean.