Clean vs white mode

Hi. Excellent website . I have the sonic care diamondclean toothbrush. In your article you describe the whitening function has just a longer duration to the clean mode. In my experience there is a definite difference in how the toothbrush vibrates in the white mode compare to the clean mode. The brush head in white mode seems to vibrate more in amplitude then the clean mode. I believe this is intentional and causes more brushing and thus more whitening. I believe however the whitening mode increases whitening at the expense of cleaning.

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