Wisdom teeth cause swelling and pain in the cheeks, if there is a wisdom tooth pericoronitis, you need to carry out a local rinse and then medicine; if it is caused by periapical inflammation, you need to carry out a root canal treatment, and consider a later extraction. 1. Wisdom tooth pericoronitis. Wisdom teeth in the oral cavity often present obstruction, will appear wisdom teeth pericoronitis caused by inflammation and swelling of the surrounding tissues. It is necessary to rinse the gingival sulcus of the tissue around the wisdom tooth in a timely manner, use iodine povidone to apply medication when there is no exudation, and remove the wisdom tooth as soon as possible after it turns into a chronic phase. Buccal space infection, also need to take anti-inflammatory drugs, such as metronidazole, amoxicillin, if necessary, abscess incision drainage. 2. Periapical infection. If wisdom tooth decay appears apical periapical inflammation, you need to carry out root canal treatment to remove the infected pulp, or consider the elimination of inflammation directly after the removal of wisdom teeth. Wisdom teeth cause cheek swelling and pain, it is recommended to go to the hospital in time to avoid inflammation aggravated buccal gap infection.