一次性根管治疗老年人慢性牙髓炎的疗效观察

目的：探讨采用一次性根管治疗老年人慢性牙髓炎的临床效果。方法选取84例慢性牙髓炎患者，按照随机数字表法分为对照组和观察组，每组均为42例（患牙42颗）。对照组采用多次根管治疗，观察组采用一次性根管治疗，治疗后随访1年，比较两组的临床效果及1年后成功率。结果观察组总有效率为92．9％，显著高于对照组的69．0％（χ2＝3．860，P＜0．05）；观察组1年后总成功率为83．3％，明显高于对照组的54．8％（χ2＝4．011，P＜0．05）。结论采用一次性根管治疗老年人慢性牙髓炎，具有总有效率高、总成功率高等特点，具有一定的临床借鉴意义。

Effect of disposable root canal treatment for elderly patients with chronic pulpitis

Objective To explore the clinical effect of disposable root canal treatment for elderly patients with chronic pulpitis.Methods 84 patients with chronic pulpitis were selected and randomly divided into the control group and observation group,each group in 42 cases（42 teeth）.The control group was used multiple root canal treat-ment,and the observation group was used disposable root canal treatment,and following-up for 1 year after treatment, the clinical effect and success rates after one year were compared between the two groups.Results The total effective rate of the observation group was 92.9%, which was significantly higher than 69.0% of the control group （χ2 =3.860,P〈0.05）;After 1 years treatment,the total success rate of the observation group was 83.3%,which was sig-nificantly higher than 54.8%of the control group（χ2 =4.011,P〈0.05）.Conclusion The disposable root canal treatment for elderly patients with chronic pulpitis has a total effective rate,assembly and high power,which has cer-tain clinical reference.