When it comes to brushing your teeth sonic toothbrushes are the ultimate cleaning machines more efficient even than ordinary electric toothbrushes they harness the latest sonic powered technology to buzz over your teeth at much higher speeds not only cleaning surface plaque but also creating waves of turbulence in your mouth this causes minute bubbles to form in the space between the toothbrush and your teeth helping to shift more plaque than brushing alone22 000 sonic strokes a minute