Wisdom teeth (i.e., third molar) pushed against the big teeth and loosened for a while, considering that the loosening is caused by the third molar obstruction and squeezing of the second molar, and it is necessary to remove the wisdom teeth in time to remove the cause of the disease. Third molar obstruction will squeeze the neighboring teeth, and there is a possibility of secondary infection caused by wisdom tooth pericoronitis, causing gum swelling and pain leading to loosening of the second molar. If there is an acute infection, it is necessary to actively choose antibacterial drugs to control the infection, wait for the inflammation to subside, and then go to a regular hospital to remove the wisdom teeth as soon as possible. Remove wisdom teeth, remove the local extrusion, the second molar once loose situation will gradually recover by itself, generally do not need special treatment. After wisdom teeth extraction, pay attention to oral hygiene, avoid brushing and rinsing within 24 hours, avoid eating within 4 hours after extraction, and choose a light, soft, liquid or semi-liquid diet in the early stage. It is recommended to go to the regular hospital in time for extraction treatment.