The working principle of the electric toothbrush is that the electric motor drives the round brush head to rotate, which strengthens the friction effect at the same time as the execution of ordinary brushing action; the electric toothbrush rotates at a high speed and produces a slight vibration, which not only promotes the blood circulation of the oral cavity, but also has an unexpected massaging effect on the gum tissues.
Sonic electric toothbrush in the working process is mainly rely on the toothbrush in the operation of the micro-motor to drive the toothbrush head left and right to start the high-speed swing, the toothbrush head in the process of movement will produce mechanical vibration is also known as sound waves. Sonic electric toothbrush in the process of running the sound waves due to its different frequency on the teeth of the cleaning effect is not the same. Overall, the cleaning effect of a sonic toothbrush is directly proportional to the frequency and amplitude of its sound waves.
The rotary electric toothbrush mainly utilizes the operation of the motor inside the toothbrush to drive the round brush head to rotate, which can strengthen the friction effect of the toothbrush on the teeth at the same time of executing the action of the ordinary toothbrush, and the rotary toothbrush is more affordable compared to the acoustic electric toothbrush, and the principle of operation is also relatively simple.