Floss issues 4 Replies Two thoughts: I would never have guessed that we import dental floss from Ireland. I hope this means the people who make it are paid decently and work in a safe environment. How on earth does dental floss expire? Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Like this:Like Loading...