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Title: Fell apart while brushing after few uses
Review: After a few uses (about 10 or so), the brush head started coming apart. First the rubber pieces on the head starting falling apart in mouth while brushing. After a few more uses the whole head feel apart as the small metal pieces came unscrewed. Same thing happened to all the 3 heads in the pack. I don't have any proof, but felt like counterfeit material.
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