M.P.
I think that the gums will still be sore after the tooth comes in. The gum is in a new position and the tooth has pushed thru tissue causing it to stretch.
I also suggest that she has at least one other tooth working it's way up. In my memory cutting teeth is a process and not a one time event, followed by another one time event.
Another part of a new tooth is her getting used to this extra hard piece in her mouth. She may be biting her tongue or cheek, perhaps not hard enough to break the skin but hard enough for her to feel the pinch.
I agree with giving her ibuprofen at bedtime and to continue giving her something to chew on. Treat her as if she's cutting teeth and see if that helps.