About 4 months ago, I went to the dentist to fill a cavity on a back molar. Well after she took x-rays, she discovered another cavity on the neighboring molar so I got 2 fillings that visit. Well, one night about a month and a half ago, I bit into a piece of Kit Kat and the tip of the 2nd tooth broke off (the one I didn't even know had that cavity). I went to the dentist a few weeks later and she repaired that part of the tooth but afterwards, the tooth started to get very sensitive to pressure and cold/heat and just feels weird when my tongue rubs over it. It was never sensitive before not even when it had a cavity. I went back to the dentist a few weeks ago and after taking an x-ray, she determined there was nothing wrong with the tooth and that I would need a root canal if it continues hurting. First of all, I am NOT getting a root canal. I actually just had one done 2 weeks ago to a front tooth and that one still hurts. So I'm not putting more money down if that's not going to solve the pain issue. Secondly, I don't understand how it could hurt AFTER the repair but not before. You'd think the crown of the tooth wouldn't be close to the nerve and cause this kind of sensitivity. I can't even eat on it without it giving me a shock sensation and the pain lasts about an hour afterwards. I'm wondering if the dentist botched the procedure and is just not owning up to it. I am so mad and frustrated. Any advice on what to do would be greatly appreciated.