
I bought several of these 3 packs a few months ago. The packaging and labeling looks absolutely authentic, but both my wife and I noticed that they just "didn't feel right" when using them. The size of the bristle head didn't seem right and sometimes they pinched the inside of the lip area a bit. Like others, we have found that the bristles become wobbly over time and then loosen in the mouth. This morning we opened a new pack that we bought at Sam's Club. The difference between day and night! The nozzles are firm, don't pinch, and just feel like they clean better. I didn't read the reviews before buying because we've been using Oral-B brushes for years and never thought there could be fake heads. I don't mind trying third-party substitutes, but it's unacceptable to promote something with a brand if it doesn't.

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