1.After the dental trauma, you should go to the hospital for the corresponding treatment in time, and you should follow up with the hospital regularly. 2.After the tooth is completely dislodged, a reimplantation should be done immediately. The shorter the time the tooth is dislodged from the socket, the higher the success rate, and the reimplantation success rate is higher within 15 to 30 minutes; the tooth should be put into saline immediately after it is completely dislodged, and milk and saliva can also be used as storage solution.