[RyanPm40]

Sounds like a cut in the gum to me. Warm salt water definitely helps, I always felt a little better after rinsing with some when my wisdom teeth were out. It wouldn't hurt just to call the dentist and ask his opinion over the phone, though, you may not necessarily have to come in and he might be able to ease your mind. And, even if you have to go in, it's better than developing something worse =p