also you may want to avoid chewing on that side, The tempcrown will not fit like the real one and you are suppose to avoid chewing hard foods with it. Good luck! I have a temp right now and it is a bit of a pain.
I really hope the pain is a phantom pain, if not you really need to see your dentist again.
Dentist do their best in stripping out all of the sick or dead nerve tissue and hygienically irrigate everything, however a second infection is possible.
I had an upper molar that did the same thing but I held off in reporting it for a few days. My dentist went back in and resealed it for it to come right back. He then re-took some x-rays and discovered a cracked root and had to pull it. I saw the before and after x-rays it came out of the blue somehow.
Actually, the pain on the tooth has not entirely subsided. Hard food tend to give some pain.