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SYSTEMATIC REVIEW
Year : 2014  |  Volume : 5  |  Issue : 4  |  Page : 133-141

Electronic apex locator: A comprehensive literature review — Part II: Effect of different clinical and technical conditions on electronic apex locator's accuracy


1 Department of Endodontics and Torabinejad Dental Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
2 Dental Students' Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Research, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah, Iran

Correspondence Address:
Dr. Saber Khazaei
Department of Research, School of Dentistry, Kermanshah University of Medical Sciences, Kermanshah
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2155-8213.140588

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Introduction: To investigate the effects of different clinical and technical conditions on the accuracy of electronic apex locators (EALs). Materials and Methods: "Tooth apex," "dental instrument," "odontometry," "electronic medical," and "electronic apex locator" were searched as primary identifiers via Medline/PubMed, Cochrane library, and Scopus data base up to 30 July 2013. Original articles that fulfilled the inclusion criteria were selected and reviewed. Results: Out of 402 relevant studies, 183 were selected based on the inclusion criteria. In this part, 75 studies are presented. Pulp vitality conditions and root resorption, types of files and irrigating materials do not affect an EAL's accuracy; however, the file size and foramen diameter can affect its accuracy. Conclusions: Various clinical conditions such as the file size and foramen diameter may affect EALs' accuracy. However, more randomized clinical trials are needed for definitive conclusion.


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