I'd love to know this as well. My daughter had her first tooth cut through the gum last Thursday (so it's been 6 days so far). It's very sharp and completely through the gum but still flush with it, and so far, it's not moved much more. All the teething symptoms stopped completely the day after that and picked up again on Monday. Now I can see the second bottom tooth starting to appear under the gum, but hasn't broken through yet. I'm wondering if they'll suddenly pop up together once that one breaks through? But so far, 6 days and waiting here....