Elizabeth finally worked up the courage to just yank her loose tooth out - the edges were super sharp and cutting her gum so I think the annoyance of having it loose edged out the fear of pain.
There was still a bit of root left which meant that the removal bothered her quite a bit for a few days - she yanked out a bit of gum at the same time as the tooth (ouch!). Hopefully only 54 teeth left to go. Not that we are counting or anything.