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I was a little worried replacement heads wouldn't fit right, but these lock into place firmly and the bristled edge actually gets between my molars way better than my old ones. My gums feel noticeably cleaner after each use.

These tips click in securely and the bristles are firm enough to actually feel like they're doing something. My mouth feels noticeably fresher after each use, and they seem built to last through plenty of cycles.

I was worried replacement heads wouldn't keep that same fresh feel, but these swap in easily and the water flow feels just as strong as the original. My gums definitely feel cleaner between the angled bristles and the precise jet.