An ultrasonic toothbrush is an advanced oral care device that utilizes high-frequency vibrations to clean teeth and gums more effectively. It operates at a much higher frequency than traditional electric toothbrushes, typically around 20,000 to 40,000 vibrations per minute. These rapid vibrations create tiny bubbles in the toothpaste or mouthwash, which help dislodge plaque and bacteria from the teeth and gum line. The ultrasonic technology allows for gentle yet thorough cleaning, reaching areas that are difficult to access with manual brushing.

“ultrasonic toothbrush”的英语定义和含义

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