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Electric toothbrush with multiple Bristol movements that generate audible sound
Electric toothbrush with multiple Bristol movements that generate audible sound
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机译:电动牙刷具有多种布里斯托尔运动,可产生可听见的声音
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摘要
A power toothbrush includes a handle having a driving system therein. The driving system is responsive to two drive signals. One drive signal produces a clinically effective cleansing action for the teeth, while the other drive signal is arranged to produce audible sounds from the toothbrush which are cognitively stimulating or relaxing.
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