Acute wisdom tooth pericoronitis can usually get better in 5 to 7 days after active treatment. The specific time needed to get better is related to the location of the wisdom tooth, the patient’s own physical condition, treatment measures and other factors. 1. Acute wisdom tooth pericoronitis is an acute inflammation of the pericoronal tissues of the tooth caused by the blockage or incomplete eruption of the wisdom tooth. Mostly seen in 18 to 25 years old, the early manifestation of the patient molar teeth back area swelling discomfort, chewing and swallowing aggravated, the development of the disease led to local mouth opening restrictions, the emergence of radiating pain along the distribution of the auriculotemporal nerve area; the whole body can be chills, fever, headache and other discomforts. 2. Generally, after active treatment, most patients will have their local swelling and pain reduced, and the degree of mouth opening will return to normal, usually in 3 to 5 days. 3. If acute wisdom tooth pericoronitis is not treated in time or the patient’s physical condition is poor, there will be abscess formation after 3 to 5 days. Local abscess incision should be given in time, and with the application of antibiotics such as cefixime and metronidazole, usually return to normal after 5 to 7 days. Suffering from acute wisdom teeth pericoronitis, should promptly consult the doctor, improve the examination, standardized treatment under the guidance of physicians. When the acute inflammation is relieved, the affected tooth should be extracted in time, and the use of drugs should be in accordance with medical advice.