How is that possible? Did you use extreme pressure that penetrated your gums? I ... | Hacker News

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system2 52 days ago | parent | context | favorite | on: Dyson CameraJet electric toothbrush

How is that possible? Did you use extreme pressure that penetrated your gums? I use Waterpik every day, and my teeth are cleaner than ever.

wahnfrieden 52 days ago [–]

Just a guess but perhaps what is in the water may also make a difference

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