Swollen teeth usually refers to swollen gums, mainly due to the following reasons: 1, gingivitis, mainly do not pay attention to oral hygiene, plaque attached to the gums and lead to the occurrence of inflammation, often accompanied by bad breath, bleeding gums when brushing, gum abscesses and other symptoms, you need to first scaling to remove calculus, if the scaling process bleeds more need to be coated with iodine glycerine, you also need to oral vitamin C to promote the repair of the mucosa of the gums, with a 3% solution of hydrogen peroxide rinse to prevent infection. The mouth should be rinsed with 3% hydrogen peroxide solution to prevent infection. If there is a gingival abscess need to incise the gum drainage, oral metronidazole to prevent infection. 2, if the wisdom teeth are swollen and painful, may be caused by wisdom teeth obstruction, if the wisdom teeth eruption is blocked or only part of the eruption, there will be pain, swelling and pain in the gums, and even pus and infection, the first use of saline rinsing to remove the pus, the elimination of inflammation, X-ray film to look at the distribution of alveolar nerves, if the nerve far away from the If it is far from the nerve, it can be extracted.