A Practice-based Study on the Survival of Restored Endodontically Treated Teeth

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• 作者：Jovito Adiel Skupien ; DDS ; MSc^&lowast ; ; ^&Dagger ; ; ^{skupien.ja@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Niek Opdam ; DDS ; PhD^&lowast ; ; Rolf Winnen ; DDS ; MSc^§ ; ; Ewald Bronkhorst ; MSc ; PhD^&lowast ; ; Cees Kreulen ; DDS ; PhD^&dagger ; ; Tatiana Pereira-Cenci ; DDS ; MSc ; PhD^&Dagger ; ; Marie-Charlotte Huysmans ; DDS ; PhD^&lowast ;
• 关键词：Clinical trial ; dental restoration ; endodontic treatment ; longevity ; retrospective study ; survival
• 刊名：Journal of Endodontics
• 出版年：2013
• 出版时间：November 2013
• 年：2013
• 卷：39
• 期：11
• 页码：1335-1340
• 全文大小：519 K

文摘

This retrospective study evaluated the survival of endodontically treated teeth (ETTs) and investigated factors influencing restoration and tooth survival.

Methods

Data from 795 ETTs were recorded, and success (restoration still intact) and survival (restoration intact or failed/repaired/replaced and tooth still in situ) were analyzed using Kaplan-Meier statistics. A multivariate Cox regression analysis was performed to assess the variables influencing success and survival.

Results

At the end of the observation period (mean observation time = 4.48 years), 45 teeth had been extracted (annual failure rate for survival = 1.9% at 9.6 years) and 114 restorations had received a restorative follow-up treatment (annual failure rate for success = 4.9% at 9.6 years).

Conclusions

ETTs showed acceptable survival and success in the long-term. Variables showing significant influence on survival were the number of teeth in the dentition and the presence of decay at the moment the patient entered the practice.