Clinical performance of chairside CAD/CAM feldspathic ceramic posterior shoulder crowns and endocrowns up to 12 years
Clinical performance of chairside CAD/CAM feldspathic ceramic posterior shoulder crowns and endocrowns up to 12 years
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DOI：
10.1177/1758736012455421
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发表时间：
2015-01-01
影响因子：
1.7
通讯作者：
Moermann, W. H.
中科院分区：
文献类型：
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作者：
Otto, T.;Moermann, W. H.
在55名患者中，使用Cerec 3 （CAD/CAM）方法和Vita Mark II长石陶瓷制作了25个内冠（测试）和40个肩冠（对照组）。在基线和12年后使用修改的USPHS标准检查冠。生存评估采用Kaplan-Meier分析。肩冠在磨牙和前磨牙上的12年生存率分别为95%和94.7%。牙冠在磨牙和前磨牙上的存活率分别为90.5%和75%。统计学上，两组的生存估计差异无统计学意义（P < 0.05）。臼齿和前臼齿上的Vita Mark II Cerec 3肩冠以及臼齿上的内牙冠的寿命对于私人执业来说是非常可接受的结果，而前臼齿内牙冠往往显示出更高的失败风险。
In 55 patients, 25 endocrowns (test) and 40 shoulder crowns (control) were produced chairside in a private practice using the Cerec 3 (CAD/CAM) method and Vita Mark II feldspathic ceramic. The crowns were examined at baseline and after up to 12 years using modified USPHS criteria. The survival estimate was assessed by Kaplan-Meier analysis. The 12 years survival estimate of the shoulder crowns was 95% on molars and 94.7% on premolars. Endocrowns showed 90.5% survival on molars and 75% on premolars. Statistically, the differences between the survival estimates were not significant (P > 0.05). The longevity of Vita Mark II Cerec 3 shoulder crowns on molars and premolars, as well as of endocrowns on molars, proved to be for private practice a very acceptable result, while the premolar endocrowns tended to show a higher risk for failure.