Panasonic Sonic vibration toothbrush EW-DM81-K503, 31,000 oscillations, Black Very fine bristles To eliminate the bacteria hidden in the periodontal pockets, which cause periodontitis, with the help of a toothbrush, the tips of the bristles must be able to penetrate the narrow pockets. With the very fine brush, original from Panasonic, the tips of the brushes, which have a diameter of only approx. 0.02 mm, they are designed to penetrate only 3 mm into the periodontal pockets. Comparison regarding the ease with which the brushes penetrate the periodontal pockets. Sonic vibrations The brush vibrates at a rotation speed of approx. 31,000 movements/min., for a smooth and high-speed movement of the brush. The high-speed precise vibrations deeply remove the tartar from the periodontal pockets, minimizing the stress on the teeth and gums. Two selectable brushing modes Select the REGULAR (USUAL) mode for a normal brushing or the SOFT (MODERATE) mode for a more moderate brushing. Low-amplitude start function & 30-second brushing timer Starts brushing with a gentle stimulation so that the stimulation is not suddenly strong. Temporarily interrupts brushing for approx. every 30 seconds to provide a reference for brushing time. Ergonomic design, very thin The body is very thin and has a low weight, so it is easy to use. Charging stand Storage/charger stand for brush head and main unit. Washable.