Quote:
Originally Posted by danielpearl
i think this is because the nerve inside the tooth is may be inflammed. this can happen when the cavity and the filling is very close to the nerve inside the tooth. You should see a doctor for this . once your root canal is completed your pain will be gone.
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Or it could be a little ding to the sinus, when he got his lidocaine shot. If that's the case, then he wouldn't need a root canal at all, and just a day's worth of pain meds til the sinus heals by itself.
OP, if the pain doesn't go away by tomorrow morning, go back to the dentist's office and have them check out the source of the pain, so they know what to do about it (if anything).