14 January 2014 Survival time of endodontically treated teeth: a 7-year retrospective clinical study
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The aim of this retrospective clinical study was to examine the survival time of endodontically treated teeth (ETT) and the factors that may influence the failure risk, over a period of up to 7 years. The files of 67 patients that received metal free post and core restorations using a standardized technique were analyzed. The survival probability was assessed using Kaplan-Meyer analysis and Log Rank (Matel-Cox). Cox regression was used to assess the risk of failure and to identify possible covariates. The average survival time of the ETT was 6.6 Years. The cumulative failure rate was 5.82% for all type of the restored endodontically treated teeth. The main failure type was encountered in the cervical area of the teeth, and due to the extensive hard tissue loss, the teeth were extracted.
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Bogdan Baldea, Bogdan Baldea, Silvana Canjau, Silvana Canjau, Dragos Popescu, Dragos Popescu, Anca Tudor, Anca Tudor, Carmen Todea, Carmen Todea, "Survival time of endodontically treated teeth: a 7-year retrospective clinical study", Proc. SPIE 8925, Fifth International Conference on Lasers in Medicine: Biotechnologies Integrated in Daily Medicine, 89250B (14 January 2014); doi: 10.1117/12.2044221; https://doi.org/10.1117/12.2044221

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