I had my teeth cleaned/polished almost 2 weeks ago. During the polishing, I started feeling pain in a tooth that has a filling. She said that there was a stain on that tooth and the polisher may have gotten hot while she had it on that tooth. After that, that one tooth was super sensitive to hot, cold, sweets. I went back to the dentist that next day and they told me to use toothpaste for sensitive teeth, and gave me some stuff to rub on it. After a week, it still hurt. They gave me some fluoride varnish to put on it and had me to take 6 days worth of prednisone. It has now been 13 days since my cleaning. That tooth is not as sensitive as it was, but there is still sensitivity. What is wrong? And will it go back to normal?