Hi DoctorWhat happens to my front tooth, it hurts badly when I drink hot water, or brush my teeth or even when I talk.  I had filling done on this tooth some months back.  The tooth hurts right up to below my nostril.Awaiting your answer and thanking you in advance.Best regardsCC
Thanks for using Chat Doctor.  Read your query.  Pain in the filled tooth could be due to irreversible pulpits (or decay involving the pulp). If left untreated can progress into an abscess.  I would advise you to visit your endodontist and have a radiograph done. Removal of filling followed by root canal treatment and then refilling will solve the problem.  For the pain ibuprofen can be taken if you are not allergic to any medicine.  Hope this was helpful. Thanks and regards.