1. Drug reactions and side effects
2. Damage to adjacent teeth or fillings
3. Postoperative infection
4. Postoperative bleeding that may require treatment
5. Possibility of a small fragment of root being left in the jaw, and its removal, requiring extensive surgery
6. Delayed healing (dry socket) necessitating frequent postoperative care
7. Possible involvement of the sinus during removal of upper molars, which may require additional treatment or surgical repair at a later date
8. Possible involvement of the nerve, including but not limited to the removal of lower molars, resulting in temporary or possible permanent tingling or numbness, or pain of the lower lip, chin or tongue on the operated side
9. Bruising and/or vein inflammation at the site of administration of intravenous medications, which may require further treatment
10. In rare circumstances, breakage of the jaw
11. As a result of the injection or use of anesthesia, at times there may be swelling, jaw muscle tenderness or even resultant numbness of the tongue, lips, teeth, jaws and/or facial tissues, that is usually temporary. In rare instances, such numbness may be permanent.