目的前牙烤瓷预备患牙前突意外露髓后一次性根管充填治疗的临床效果。方法回顾性分析79例患者临床资料。结果本组79例患者中,治愈76例,无效3例,总有效率96.2%。结论一次性根管充填治疗操作简单,技术易于掌握,可由临床医生在门诊独立完成,失败率较低。一次性根管充填治疗药物制备简单,取材方便,效果显著,只要严格掌握无菌操作,适用于更多患者,值得临床应用。 Objective To investigate the clinical effect of one-time root canal filling after anterior teeth protrusion porcelain preparation. Methods The clinical data of 79 patients were retrospectively analyzed. Results In this group of 79 patients, 76 cases were cured, 3 cases were ineffective, and the total effective rate was 96.2%. Conclusion The one-time root canal filling is simple and easy to master. It can be done independently by the clinician at the outpatient setting, with a low failure rate. One-time root canal filling drug preparation is simple, easy access, the effect is significant, as long as a strict grasp of aseptic operation, apply to more patients, it is worth clinical application.