生骨片50颗再植牙的临床疗效研究

目的:对影响牙再植 成功率的各种因素进行分析讨论。以便找出规律,指导临床。方法:分析了用常现方法行牙再植术的50颗再植牙。结果:口外期半小时内的再植成功率达87.5％,口外期1h 2h的再植成功率仅为8%,很尖孔闭锁的再植牙中,再植后一周行根管清理充填成功率为73％。结论:随着口外期时间的增加,牙再植成功率呈下降趋势,口外期半小时行牙再植术是最佳时机,根尖孔闭锁牙最好术后一周行根管治疗。

Objective: To an-a!yze the vanous factors that affect the success rate of teeth replantation in order to find out the regular patterns and guide clinical practice. Methods: Fifty replanted teeth by using conventioned ways of teeth replantation were anaiyzed Shenggupian were taken as routine treatment. Results: Shenggupian is favourable for the formation of parodontium. It promotes bony codescence shortens the course of treatment and raises the curative effect, The survival rate is 100%. Conclusion: The time of ex-ostium is inversely proportional to the survival rate. The bonny time is chosen to b c 7-10 days after operation, which includes three aspectual root-canal filling. Taking shenggupian orally can short half of the course of treatment.