I have got to tell you, one of my worst dental experiences was a temporary crown. My tooth was so sensitive with the temporary crown, that I kept myself drunk on wine coolers for a week. It only took a week for the permanent crown and I couldn't wait to get in there. The doctor had to numb me up just to take off the temporary. But once I had the permanent crown put on the sensitivity was basically gone. I still had some sensitivity along the edge of the tooth where it meets the crown, that took about 9 months to finally go away. It only bothered me when somebody would take an instrument along the edge of the crown. I hated getting the crown, but now that it's there my tooth feels so much better than it did before the crown.
Hang in there, see if the sensitivity goes away after the permanent crown is placed and if it doesn't subside, then you may need to have a root canal proceedure done. This way they will just go through the top of the crown and fill it. But do give it some time to get better.