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Tooth-brushing method by an electric toothbrush having a predetermined vibration frequency
Tooth-brushing method by an electric toothbrush having a predetermined vibration frequency
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机译:通过具有预定振动频率的电动牙刷的刷牙方法
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摘要
A tooth-brushing method comprises the steps of: predeterming respective weights of an electric toothbrush and a heavy eccentric mass as well as a location of the center of gravity of the eccentric mass; establishing an output of a motor at about 7,000 rpm in accordance with the predetermined conditions; and, producing a vibration at about 7,000 rpm by actuating the motor, thereby brushing the teeth.
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