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Title: works well
Review: I've seen some comments about counterfeit refills, but the ones from the 'Oral-B' seller seem to be legit. The product packaging is labeled Procter/Gamble and I've had no problem in replacing the refill heads - they snapped on right away and stay on when the brush is turned on. The Floss Action heads are a bit larger than the normal heads so if you are worried about size, that may be a factor. However, they do seem to do a good job in cleaning between the teeth and reaching spaces.
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