I have not had any pain to speak of for the past two or three months until yesterday when, suddenly, my top front tooth
terrible nerve pain. It comes and goes; it is sensitive
to hot and cold which will trigger the pain and I can't bite through anything with it. Sometimes it comes on seemingly for no reason. I think I may have irritated it by biting down on something hard and now it's just super sensitive
. But I am also worried that it might be something more serious.