Acute pericoronitis suppurative infection, usually takes about 3 days to 2 weeks to heal, the specific healing time is related to the severity of the disease. 1. Mild: If the condition of pericoronitis is mild, that is, the symptoms of infection are only limited to the crown around the tooth, pus is not obvious, can be effectively controlled by the stomatology rinse medicine, at the same time you can use mouthwash as well as antibiotic treatment, such as amoxicillin and metronidazole, and so on. Generally 3~5 days can be cured. 2. Serious condition: generally need incision and drainage treatment, need to local rinse pericoronary, also need to take amoxicillin as well as metronidazole and other antibiotics for anti-infective treatment, the healing time will be longer, it may take about 2 weeks, or even longer. In addition, acute pericoronitis suppurative infection has a certain degree of harm, it is recommended that patients need to actively accept treatment, to avoid affecting the health of the body.