根管治疗期间急症发生的相关因素分析与预防

Analysis of related factors of endodontic interappointment and prevention

目的探讨EIAE发生的相关因素，为临床预防EIAE的发生提供理论依据。方法选择2010年1月～2011年1月于我院口腔科就诊的根管治疗患者168例，慢性根尖周炎患牙176颗；随机分为4组并进行不同处理。比较性别、年龄、牙位及有无瘘管、根管预备后的牙胶与患牙的位置对EIAE发生率的影响。结果患者的年龄与性别对EIAE发生率无统计学意义（P〈0．05）。但EIAE的发生率后牙高于前牙（P〈0．05）。牙胶预备长度对EIAE发生率有影响，牙胶长度之间比较差异有统计学意义（P〈0．05）。有瘘管患者的EIAE发生率低于无瘘管患牙，差异有统计学意义（P〈0．05）。第四组、第三组、第二组分别与第一组比较，EIAE发生情况差异均有统计学意义（P〈0．05）。结论为预防和减少根管治疗期间急症的发生，在根管预备时应准确把握根管长度，预备前要应用氢氧化钙仔细消毒、牙胶与根尖要保持一定距离，根管预备后要进行开放引流等。

Objective To explore EIAE - related factors and to provide clinical prevent theoretical basis. Methods All of 168 cases of root canal therapy, chronic apical periodontitis teeth 176. All teeth randomly divided into 4 groups for differ- ent treatment. Comparison of gender, age, teeth and with or without fistula, gum and teeth of teeth after root canal prepara- tion location effects on the incidence of EIAE. Results There was no significant difference in Patient＇s age and sex on incidence. But EIAE＇s incidence of posterior was higher than the anterior. Dental gum reserve length has an impact on incidence of EIAE, there was significant differences between gutta-percha length. There was significant differences between EIAE incidence of fistula in patients with lower teeth without fistula. The fourth group, third group, second group compared with the first group, there was significant differences in the occurrence. Conclusion To prevent and reduce the occurrence of accident and Emergency Department during root canal therapy, should grasp in root canal preparation of root canal length, to applying calcium hydroxide disinfecting carefully before preparing, gutta-percha and root tips to maintain a cer- tain distance, after root canal preparation for open drainage.