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In vitro evaluation of the accuracy of two electronic apex locators.

作者信息

Chopra Viresh, Grover Shibani, Prasad S Datta

机构信息

Department of Conservative Dentistry and Endodontics, Subharti Dental College, Meerut, India.

出版信息

J Conserv Dent. 2008 Apr;11(2):82-5. doi: 10.4103/0972-0707.44056.

DOI:10.4103/0972-0707.44056
PMID:20142890
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2813092/
Abstract

This study involves evaluating the accuracy of two electronic apex locators (EALs), Raypex and Neosono Co-pilot. Ten single-root human anterior teeth were used for the study. The crown was sectioned to gain access to the root canal. For each tooth, the reference (or control) length, corresponding to the actual length, was determined, after which all the teeth were measured independently. The results obtained with each EAL were in turn compared with the corresponding control length. The statistical analysis of the results showed that EAL reliability in detecting the apex varies from 80 to 85% for Neosono systems and 85 to 90% for the Raypex systems. Combined with a high observer concordance, these results suggest that electronic root canal measurement can be an objective and acceptably reproducible technique.

摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/540d45aaf79d/JCD-11-82-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/226957d6256c/JCD-11-82-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/e9a5bb124352/JCD-11-82-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/0cc290f25a6f/JCD-11-82-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/540d45aaf79d/JCD-11-82-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/226957d6256c/JCD-11-82-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/e9a5bb124352/JCD-11-82-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/0cc290f25a6f/JCD-11-82-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d9d7/2813092/540d45aaf79d/JCD-11-82-g004.jpg

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本文引用的文献

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Int Endod J. 1998 Nov;31(6):394-409. doi: 10.1046/j.1365-2591.1998.00183.x.
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In vitro evaluation of the accuracy of three electronic apex locators.
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To determine whether the first file to bind at the working length corresponds to the apical diameter in roots with apical curvatures both before and after preflaring.确定在根管口扩大前后，工作长度处最早贴合的锉是否与根尖弯曲根管的根尖直径相对应。
J Conserv Dent. 2012 Oct;15(4):363-6. doi: 10.4103/0972-0707.101908.
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