Tooth pain leading to facial swelling may be acute apical periapical infection spread, leading to maxillofacial gap infection, causing facial swelling, treatment includes incision and drainage of pus, root canal treatment or extraction, systemic application of antimicrobial drugs, as follows.
1. Incision and drainage: after abscess formation, avoid important nerves and blood vessels in the low position of abscess, choose intraoral or extraoral incision, separate to the pus cavity, drain the pus, use saline to rinse the pus cavity thoroughly, and place drainage strips.
2. Root canal treatment or extraction: after the inflammation is controlled, root canal treatment should be carried out on the teeth that can be preserved, and then crown restoration should be carried out to restore their appearance and function; for the teeth with poor prognosis, they should be extracted, and then prosthetic restoration should be used.
3. Systemic application of antibacterial drugs: Amoxicillin, cefuroxime and other antibacterial drugs can be applied systemically to assist in controlling inflammation.
There may be other causes of facial swelling due to tooth pain, so it is recommended to go to a regular medical institution to receive professional treatment. All of the above medications should be used under the guidance of a doctor, avoid self-medication.