【摘要】 目的：评价难治性根尖周炎的治疗效果。方法：应用根尖刮治术配合根管治疗术治疗难治性根尖周炎。结果：采用此方法治疗38颗患牙，半个月后观察成功37例，失败1例，成功率达97.37%；2年后复查成功35例，失败3例，成功率达92.11%。结论：根尖刮治术配合根管治疗术治疗难治性根尖周炎，远期成功率达92.11%，疗效值得肯定。
【关键词】 根尖刮治术；根管治疗术；难治性根尖周炎；疗效
Periapical curettage with root canal therapy in the treatment of refractory periapical periodontitis
LI Jian-xin
(Department of Stomatology，the People′s Hospital of Haimen City，Haimen 226100，China)
Abstract：ObjectiveTo evaluate the therapeutic effect of refractory periapical periodontitis.MethodPeriapical curettage with root canal therapy was used to treat refractory periapical periodontitis.ResultsAmong 38 teeth，37 cases were successful，1 case was failure after 0.5 month，and the success rate was 97.37%；35 cases were successful，3 cases were failure in 2-year′s re-check，and the success rate was 92.11%.ConclusionThe long-term success rate is 92.11% for periapical curettage wit
h root canal therapy in the treatment of refractory periapical periodontitis，and effect is affirmative.
Key Words:Periapical curettage；Root canal therapy；Refra
