Swelling of the face caused by a toothache usually takes about 5-7 days to be relieved and eliminated, but it may recur or worsen. 1. If the swelling is caused by toothache, it may be a symptom caused by apical periodontitis, which is mainly manifested as spontaneous swelling and biting pain, and if it is left untreated, it may be cured in about 5-7 days. However, the root tip inflammation has always existed, if not treated in time, will cause the root tip of the tooth repeated pain, only as soon as possible to eliminate the inflammation, relieve pain. 2. If there is an abscess around the wisdom tooth, the symptoms of pain are more serious and can also cause facial swelling. If left untreated, it is difficult to stop the pain and reduce the swelling. If the swelling develops seriously, osteomyelitis, apical abscess and subperiosteal abscess may be induced. Therefore, if you have a swollen face caused by a toothache, you should go to the stomatology department of a regular hospital as soon as possible, and cooperate with a professional doctor to find out the cause of the disease and treat it in time.