The preferred treatment is toothreplantation. And the prognosis of replantation of an avulsed tooth is determined by first-aid measures.
解决这一问题的首选方法是脱位牙再植术，而牙再植的预后与脱位牙的急救措施息息相关。
2
But the lose of the activity of periodontal ligament cells and root replantation has influenced the successful rate of toothreplantation for a long time.