年轻恒牙外伤性脱位52例治疗体会

Treatment experience on replantation of traumatic dislocation of young permanent teeth of 52 cases

目的探讨外伤致年轻恒牙脱位后再植的临床疗效及其影响因素。方法对2007～2010年在我院口腔科就诊的52例7～14岁儿童年轻恒牙外伤性脱位患者的59颗牙,经常规处理后原位再植,复位固定,随访观察1～2年。结果 59颗外伤脱位牙再植,愈合良好46颗,较好8颗,失败5颗,再植成功率为91.53%。结论离体时间短、正确的保存方法,尽量保护根面牙周膜活性、良好固定和调合、必要时行根管治疗,是年轻恒牙再植成功的重要因素。

Objective To study the clinical results and factors affecting the prognosis of the young per- manent teeth replanted after traumatic dislocation. Methods 59 traumatic dislocated young permanent teeth of 52 children between 7 to 14 years old in our hospital, treated by situ replantation after conventional treatment, reduction and fixation, and follow-up for 1 -2 years. Results 46 teeth healed better, 8 healed good and 5 failed of 59 teeth replantation of traumatic dislocation, the rate of replantation success was 91.53%. Conclusion To obtain higher survival rate,it is important to reduce the extral-alveolar, proper preservation methods, carefully protect periodontal membranes, good fixation and blending, and root canal treatment if necessary of the disloca- ted young permanent teeth.