J Endod:牙髓显微手术的长期成功率和存留率分析

2020-01-01 lishiting MedSci原创

牙髓显微外科(EMS)的治愈率可能会随着时间推移而逐渐下降,而对于它的长期疗效研究还未见报道。这篇回顾性队列研究的目的是为了评估EMS 5-9年的愈合和存留率,并确定影响预后因素与愈合程度之间的关系以及比较短期(1- to 2-year)和长期(5- to 9-year)的疗效。

牙髓显微外科(EMS)的治愈率可能会随着时间推移而逐渐下降,而对于它的长期疗效研究还未见报道。这篇回顾性队列研究的目的是为了评估EMS 5-9年的愈合和存留率,并确定影响预后因素与愈合程度之间的关系以及比较短期(1- to 2-year)和长期(5- to 9-year)的疗效。

研究邀请了在2007-2010年间符合条件的实施了EMS的151名患者(166 teeth)进行随访调查。83名患者(94 teeth)参与了此项调查。研究调查了存留情况以及所有牙齿的拔除原因,通过Kaplan-Meier检验计算存留率。通过X-ray和临床检查确定疗效,并通过multivariate Cox regression检验分析相关潜在的预后性变量。

结果显示,32颗牙齿拔除:6颗因为牙髓治疗失败,20颗为不相关的原因以及6颗未知原因。疗效分类为愈合与未愈合。多元分析显示,采用intermediate restorative material治疗的牙齿其失败的校正危险比是采用MTA牙齿的5.95倍(95% confidence interval, 1.54-22.91),是没有已知牙髓再治疗史牙齿的3.38倍(95% confidence interval, 1.05-10.9)。1-2年间分级为愈合的牙齿数量几乎与5-9年间的相同(45/48 teeth);那些不确定愈合的牙齿在长期随访中的疗效不同。

结论:EMS疗法具有长期的治愈率(78.3%, 72/92 teeth)和存留率(95.2%)。根尖充填材料以及EMS前的再治疗会影响长期疗效。

原始出处:

Huang S, Chen NN, et al. Long-term Success and Survival of Endodontic Microsurgery. J Endod. 2019 Dec 23. pii: S0099-2399(19)30831-3. doi: 10.1016/j.joen.2019.10.022.

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    2020-04-22 jxrzshh
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    2020-01-02 wxl882001

    了解一下

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