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2
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3
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4
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6
Evaluation of Dentaport ZX and Raypex 6 electronic apex locators: an in vivo study.评价 Dentaport ZX 和 Raypex 6 电子根尖定位仪：一项体内研究。
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Iran Endod J. 2013 Summer;8(3):114-7. Epub 2013 Aug 1.
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Raypex 5、Raypex 6、iPex和iPex II电子根尖定位仪准确性的比较评估：一项体外研究。

A comparative assessment of the accuracies of Raypex 5, Raypex 6, iPex and iPex II electronic apex locators: An in vitro study.

作者信息

Gurel Mugem Asli, Helvacioglu Kivanc Bagdagul, Ekici Adil

机构信息

Gazi University, Faculty of Dentistry, Department of Endodontics Turkey.

出版信息

J Istanb Univ Fac Dent. 2017 Jan 2;51(1):28-33. doi: 10.17096/jiufd.61309. eCollection 2017.

DOI:10.17096/jiufd.61309
PMID:28955583
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5573492/
Abstract

PURPOSE

The aims of this study were to examine the accuracy of iPex II and to compare it with those of Raypex 5, Raypex 6 and iPex electronic apex locators (EALs).

MATERIALS AND METHODS

Thirty fresh human mandibular premolar teeth were used in this study. Crown segments were cut and root canals were coronally flared. A #10 K-file was inserted until its tip can be seen within apical foramen to determine actual working length (AWL). Teeth were embedded in alginate and each multi-frequency EALs were randomly tested to determine the electronic working length (EWL). Differences between AWLs and EWLs were statistically compared.

RESULTS

No significant differences were found between four EALs. EWL measurements by Raypex 5 were accurate in 64.29%, Raypex 6 in 53.58%, iPex in 64.29% and iPex II in 50% of the specimens, within the range of ±0.5 mm from the AWL.

CONCLUSION

Within the limitations of this in vitro experiment, our findings indicate that the accuracy of working length measurements calculated with iPex II was similar to those of other multi-frequency EALs used in this study.

摘要

目的

本研究旨在检测iPex II的准确性，并将其与Raypex 5、Raypex 6和iPex电子根尖定位仪（EALs）的准确性进行比较。

材料与方法

本研究使用了30颗新鲜的人类下颌前磨牙。切下冠部，根管进行冠部扩管。插入一根#10 K锉，直到其尖端在根尖孔内可见，以确定实际工作长度（AWL）。将牙齿嵌入藻酸盐中，对每种多频EALs进行随机测试，以确定电子工作长度（EWL）。对AWL和EWL之间的差异进行统计学比较。

结果

四种EALs之间未发现显著差异。在距AWL±0.5 mm范围内，Raypex 5测量的EWL在64.29%的标本中准确，Raypex 6在53.58%的标本中准确，iPex在64.29%的标本中准确，iPex II在50%的标本中准确。

结论

在本体外实验的局限性内，我们的研究结果表明，用iPex II计算的工作长度测量准确性与本研究中使用的其他多频EALs相似。