Just Can't Seem to Catch a Break!

Wow, will all of 2012 be crappy?! I was chewing on a sucker this afternoon when all of a sudden I felt something else hard and sharp in my mouth. It seems that I broke one of my back teeth! When I called the dentist's office for an appointment I thought that, although substantial, I hadn't broken the tooth down to the nerve, so they gave me the next available regular appointment which is Thursday morning. As the day progressed I was proven wrong. I have sensitivity to air, cold and heat. I bought a temporary dental filling repair kit this evening. I'm not in constant pain, so will call the dentist in the morning to see if they're OK with me using it, or if I should just try to 'tough it out'. GRRRR!!