Tooth extraction may cause facial swelling, the possible causes are extraction trauma, post-extraction infection, etc., as follows.
1. Tooth extraction trauma: trauma caused by flap surgery, or flap surgery suture is too tight, etc. may lead to postoperative swelling reaction, the formation of swelling is soft and elastic, fingers can pinch the skin.
2. Post-extraction infection: acute infection after tooth extraction can cause maxillofacial gap infection, such as buccal gap infection, manifested as subcutaneous or submucosal swelling in the cheek, and in severe cases, the swelling can spread to the whole cheek.
There may be other reasons for facial swelling after tooth extraction, if the swelling is serious, it is recommended to go to the hospital in time to receive professional treatment as soon as possible.