Swollen gums may cause pain and tenderness. This condition can also make it difficult for you to eat, talk, or even sleep. To prevent this, you need to know first what causes swollen gums festering, in order to avoid these various causes. If the swollen gums are caused by an infection, in addition to the gums appear enlarged, pus and blood are also often seen around them. Gums that have this infection will generally look redder than the surrounding gum area. Cause of swollen gums festering There are several conditions that cause swollen gums festering, including: 1. Gingivitis Gingivitis or inflammation of the gums is the most common cause of suppurating gums. Gingivitis is often caused by plaque buildup in the teeth. When not cleaned for a long time, the plaque will irritate the gums and increase the risk of the gums being infected, which will then cause swollen gums to fester. 2. Infection Infection of the tongue and mouth caused by fungi and viruses also has the potential ...