牙脱位是一种少发但涉及多种组织的复合性损伤 ,牙再植是保存脱位牙的有效方法。在以往的报道中脱位牙再植成功率较低 ,约为 4 %～ 5 0 % [1] 。许多学者对可能引起失败的原因进行了研究 ,并提出了许多措施以保证脱位牙再植的成功。因此 ,充分了解影响再植牙愈合的因素及各因素 Tooth dislocation is a rare but complex tissue involving multiple injuries, replantation of teeth is an effective method to preserve dislocation of the teeth. In previous reports dislocation replantation success rate is low, about 4% ~ 50% [1]. Many scholars have studied the possible causes of failure and put forward many measures to ensure the successful replantation of dislocation. Therefore, fully understand the factors that affect the healing of replantation and various factors