Doctor Answers (2) on Tooth pain
1. there might be a high point on the cavity.
2. the cavity was too close to the pulp and you have a reaction to it.
see a dentist. if there is a high point, reducing it would solve the problem and the pain would go in a couple of days...
if there is a hyperreaction it may subside on its own in a couple of days..if it worsens it might go in for a root canal treatment.