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I used to floss more or less regularly and had constant gum problems. I then switched to interdental brushes, same frequency of use, and my gum problems have since disappeared.

So in my case _something_ was needed for the gum's health, but flossing itself proved to be useless.

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I use both depending on inter-teeth space. There are different techniques of flossing and different floss types. So, trying different may solve the problem with flossing itself. For those who cannot use interdental brushes. Some doctors suggest moving the floss up and down along the teeth. Others to put it inside teeth and the pull to the side. I found the second more convenient and less traumatic at the same time. But you need a wider floss to make it work. Try different. Me and my wife use different: one brand works better for her, but is too narrow for me. Experiment. I had chronic inflammation since school. Flossing completely solved the problem in a month or two.

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