I had terrible pain in my upper tooth over Memorial wkend. A year previous, that tooth's filling came out. There was a small crack & I chose to have the tooth filled. But it was never right, as I couldn't use it w/o pain. The Tues after Mem day wkend, I had a root canal done on the tooth. But since, there was still pain in the gum above the tooth when I press it. I can chew w/o pain. There was swelling on the gum & cheek prior to the root canal, & it took some weeks for it to subside. I went back to endo that did the root canal & temp filling & he did a few things like have me chomp on something, & he looked at a new x-ray. Said nothing was wrong & wouldn't give me anymore antibiotics. I had had two rounds of Clindamyacin. Still, I had pain in the gum, so I went to another endo at the same practice. This man took the time to open the temp filling up, & inspect the job. He said there were no hidden canals & the root canal was done right. Because I could chomp on the tooth w/o pain, he said he didn't believe the crack was a problem. He said it could take a year for the pain to stop, or it could be I need surgery