My dd (4) has had a nasty ulcer on her gum for a few days,I think caused by me grazing it by accident with her toothbrush.She has been in pain with it, but ok,however tonight she would only eat icecream and her temp is up to 99.4 .I vaguely remember getting a temperature myself with a bad ulcer,but maybe I am mistaken.Is it common to run a temp with this,or is she coming down with something else do you think?