Swelling of the face caused by teeth may be caused by wisdom teeth pericoronitis or apical periapical inflammation, the specific need to go to the hospital for examination and timely treatment. 1. Wisdom tooth pericoronitis: Wisdom teeth are located in the last part of the teeth in the oral cavity, due to the lack of space in the jawbone, the growth of wisdom teeth is often blocked, by the resistance of the surrounding tissues is difficult to erupt, around the crown of the tooth can be seen in the gingival pockets of redness, swelling and pain, and timely treatment of inflammation will arrive at the buccal space caused by facial swelling. 2. Periapical periodontitis: When the tooth has periapical periodontitis, the inflammation from the root tip breaks through the periosteum to the gums, which can also cause swelling of the face. Bacteria from the inside of the dental tissues reaches the tip of the root, which triggers inflammation in the apical part of the root, and the cheeks can be swollen in the acute stage. Swelling of the face caused by teeth is recommended to be dealt with in a timely manner to avoid the formation of interstitial infections.