What Needs to Be Done First, Removing the Wisdom Teeth or Repair of Dental Fillings?

It can take longer than 1 week for the stitches to dissolve.  Don't worry about that.  If you find it uncomfortable, then I would recommend that you call the surgeon that removed your teeth and have him look at the area and remove the suture if necessary. 

Your symptoms are classic for Acute Alveolar Osteitis or "Dry Socket".  Of course without examining you this is only a VERY educated guess.  "Dry Socket" is when you dislodge all or some of the blood clot in an extraction site or the clot breaks down on its own before it matures. This...

I would advise you to go back to the oral surgeon to evaluate for infection or for possible "dry-socket". Both conditions could cause severe pain. It also might be the normal healing process. Let the surgeon decide for sure.

You should wait at least 7 days before having impressions taken after wisdom teeth removal or any extractions for that matter. The reason is twofold. One of the reasons is what you brought up. A blood clot forms in the extraction sites and this is the first step in the healing process. The clot...

Numbness can happen after teeth extraction. The numbness could be due to a slight trauma to the nerve, such as crushing or stretching. It could be due to partial or complete cut of the nerve. The trauma to the nerve usually heals but the healing time differs according to the cause of trauma....

It is not likely that a person's facial outline would change following third molar extractions.  However, if a patient has lost multiple back teeth, it may give the patient a 'sunken in'  facial appearance.  The way to correct this is to replace the missing teeth.