Hello.
I am sorry that your teeth are hurting at this time, but the sooner you take care of the problem of the tooth the better you will feel in the long run. Also if you tell the dentist that you are very anxious about the procedure, then the dentist can help you if they know you have an issue with anxiety. You may also want to call your therapist and see if you can adjust your medication until the procedure is over to help lessen the severity of the anxiety you may be having at this time.Take care Soidhonia