Why can the face be swollen after toothache

There are several cases of swollen face caused by toothache, one is periapical periodontitis, and the other is swollen face caused by pericoronitis of wisdom teeth. The so-called periapical periodontitis is inflammation caused by tissues around the roots and tips. Periapical periodontitis continues to develop and will cause facial swelling. Inflammation itself will cause redness, heat and pain, swelling is a manifestation of inflammation, so early detection of facial swelling should see a doctor in time, according to different conditions to treat, such as abscess formation on the incision discharge pus, serious need to go through root canal treatment decompression, and then cooperate with systemic treatment.