摘要
目的 对两种根管长度测量法———传统法和电测法的临床应用结果进行对比分析 ,评价其准确性、优越性。方法 将 187位患者 ,2 2 1颗患牙随机分成两组 ,分别用传统法、电测法测量根管长度 ,超声波制备根管 ,侧压法充填根管 ,术后照片 ,观测充填程度、超填量及术后反应情况。结果 传统法和电测法的适填率分别为 6 4 .73%、70 .2 8% (P >0 .0 5 ) ,术后急性炎症反应的发生率分别为 16 .5 2 %、8.4 9% (P >0 .0 5 ) ;大量超填的发生率分别为33.33%、15 .79% ,差异有显著性 (P <0 .0 2 5 )。结论 传统法和电测法在临床上均有较高的准确性及较强的实用性。在减少根充术后超填量方面 ,电测法优于传统法。
Objective To compare the accuracy and the advantage of the conventional root canal length measuring method and the electronic root canal length measuring method. Method 187 patients with 221 teeth were divided into two groups: group 1 with the conventional measuring method, group 2 with the electronic measuring method to determine the root cannal length. After preparing root canals by ultrasonic, root canals were filled by lateral condensation and then x-ray pictures were taken. The filling degree, overfilling quantity and the post operation responses were evaluated. Result The percentage of proper filling was 64.7% in group 1 and 70.28% in group 2, with no statistical difference. The incidence of postendodontic flare-up was 16.52% in group 1 and 8.49% in group 2, with no statistical difference. The incidence of large quantity of overfilling was 33.33% in group 1 and 15.79% in group 2, and the difference was statistically significant. Conclusion The conventional and the electronic measuring methods were both accurate and reliable in determination of root canal length, but the latter was better than the former in the aspect of decreasing overfilling quantity.
出处
《广东牙病防治》
2002年第2期98-100,共3页
Journal of Dental Prevention and Treatment
