The time it takes for swollen gums on fire to heal on its own varies from disease to disease and is influenced by an individual’s constitution, with some diseases not healing on their own. Gums on fire may be papillitis, wisdom teeth pericoronitis, chronic periapical inflammation, etc., each disease healing time and treatment varies. 1. Gingival papillitis: mainly manifested as swelling and pain of the gums, when the body resistance is good, usually 3-7 days can be significantly relieved, but easy to relapse. 2. Wisdom tooth pericoronitis: mainly the swelling and pain of the gums in the back area of the molar teeth, and in severe cases, it may cause swallowing pain and restricted opening. When the symptoms are mild, it can be relieved in 3-5 days, and when the symptoms are severe, it is necessary to take antibiotics, and the root canal requires the removal of wisdom teeth. 3. Chronic periapical inflammation: when the resistance is low, there is hidden pain in the root of the tooth and discomfort in biting, usually cannot be cured by itself, and root canal treatment is needed. Gums are swollen and painful, there are causes, it is difficult to appear completely self-healing, it is recommended to go to the regular hospital stomatology department, by the physician after examination to clarify the cause of the disease and the cause of the treatment.