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Electric toothbrushes vibrate at a much higher frequency than manual ones

Views: 4     Author: Site Editor     Publish Time: 2021-12-24      Origin: Site

Many electric toothbrushes on the market use adjectives such as "sound wave" and "ultrasonic wave" to make people mistakenly believe that they rely on the power of sound wave or ultrasonic wave to clean teeth. In fact, they do not use sound wave to brush teeth, but brush bristles similar to the vibration frequency of sound wave to clean teeth. So what is the vibration frequency of the general acoustic electric toothbrush? The vibration frequency of electric toothbrushes on the market is between 20,000-40000 times/min, and most of them are concentrated in 30,000-35,000 times/min. Most of us brush our teeth at 3-6 times a second, or 180-360 times a minute, which means that electric toothbrushes vibrate 100-200 times faster than The cleaning efficiency of manual brushing is closely related to the way and time of brushing. The horizontal brushing method has low cleaning efficiency and is easy to damage teeth. Pap brushing method cleaning efficiency is high, but the difficulty of brushing is also high, not easy to master. The vibration frequency of electric toothbrush is much higher than the speed of manual brush, so it is far better than manual toothbrush in cleaning efficiency. With the toothbrush in the right position, the high frequency vibration of the electric toothbrush can help quickly remove plaque from the tooth surface. Electric toothbrush has two categories, one is round head brush head, mainly rotating and swinging clean; The other is a common bristle shape, mainly vibrating back and forth to clean. Round head brush head can take care of all kinds of convex and concave structures of teeth. The movement direction of the bristles swings and rotates along the tangent line of the round head of electric toothbrush. The bristles can go deep into all kinds of teeth and pits and grooves, with strong mechanical cleaning effect and cleaning effect. However, the common rectangular bristle brush head is reciprocating. If inserted horizontally into the gingival sulcus, it can simulate the Rapid cleaning of the gingival sulcus by the Pasteurization method. Meanwhile, the reciprocating movement can drive the water flow to vibrate into the middle of the tooth gap, which has a certain cleaning effect on the adjacent teeth.human hands.

The electric toothbrush provides a good answer to this question. First of all, the vibration of electric toothbrush replaces manual brushing, and the vibration of its motor is uniform, soft and safe. Many electric toothbrushes also have a pressure alarm function. If the pressure is too high, it will sound to remind you that the pressure is too high or reduce the vibration frequency, or even stop the vibration directly to remind you not to use too much pressure. Many people worry that electric toothbrush will increase wear and tear on their teeth, but they won't. The grinding rate required by the industrial production of electric toothbrush and the constant, uniform and mild vibration frequency together determine that it will not cause excessive wear to teeth. Moreover, the high frequency vibration of electric toothbrush can reduce the brushing time while ensuring the cleaning efficiency.

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