慢性根尖周炎应用氢氧化钙根管内封药的临床疗效观察

目的:研究氢氧化钙用于感染牙根管内消毒的疗效。方法:选择90例慢性根尖周病变患者随机分为观察组和对照组各45例,观察组用氢氧化钙做根管内封药,对照组用甲醛甲酚做根管内封药,观察封药1周后及根管治疗后2年的临床疗效。结果:观察组显效率(86.67%)明显高于对照组(62.22%),两组比较差异有统计学意义(P<0.001);观察组成功率(88.10%)明显高于对照组(69.76%),两组比较差异有统计学意义(P<0.05);其他方面比较,观察组均优于对照组。结论:氢氧化钙糊剂用于根管消毒疗效肯定,值得临床应用推广。

Analysis of Effect about Calcium Hydroxide by Intracanal Medicament on Treatment of Chronic Periapical Periodontitis

Objective:To study the disinfecting effect of calcium hydroxide in root canals of infected teeth.Method:90 infected cases with chronic apical periodontitis were divided into observation group and control group randomly,each group including 45 cases.In the observation group calcium hydroxide was placed in the instrumented root canals of 45 teeth;Formocresol was used for intracanal medicament in control group.The clinical effect was observed in 1 week after intracanal medication and after root canal treatment two years later.Result:The obvious therapeutic effect of observation group was higher(86.67%) than that of control group(62.22%) with statistical significance(P<0.001).The achievement ratio of observation group was higher(88.10%) than that of control group(69.76%),with statistical significance(P<0.05).And in the other aspects,the observation group was superior to the control group.Conclusion:The clinical effect of Calcium hydroxide was good and it could be widely used in root canal disinfection.