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Baba Farid University Dental Journal
Year : 2017, Volume : 7, Issue : 1
First page : ( 21) Last page : ( 26)
Print ISSN : 0976-8181. Online ISSN : 2230-7273.

A Comparative Evaluation of Working Length Determination Using Electronic Apex Locators and Conventional Radiography-An Ex-Vivo Study

Dr. Kaur Varinder1,*, Dr. Kumar Tarun2, Dr. Mittal Sunandan3

1Senior lecturer, Swami Devi Dyal Hospital and Dental College, Barwala, Distt. Panchkula, Haryana

2Professor, Department of Conservative dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India

3Professor and Head, Department of Conservative dentistry and Endodontics, Dasmesh Institute of Research and Dental Sciences, Faridkot, Punjab, India

*Address for correspondence: Dr Varinder Kaur MDS, Senior lecturer, Swami Devi Dyal Hospital And Dental College, Barwala, Distt. Panchkula, Haryana, Contact-91-8146669546, Email id: dr.varinderk@gmail.com

Online published on 16 July, 2018.

Abstract

Aim

To evaluate the accuracy of two apex locators (EAL) when compared with conventional radiographs for locating the minor foramen.

Introduction

Accurate determination of working length (WL) during root canal treatment is a challenge. Radiographic method has been considered the most popular and trusted way for WL determination. but it can also prove deceptive because of its limitations. EALs offer a possible method for WL determination. This study gives the comparative evaluation of WL determination using Propex, Propex II and radiographic method.

Materials and method

WLwas established using EALs-Propex and Propex II and then using radiographic method in 50 teeth scheduled to be extracted. After extraction, the actual location of the minor foramen was determined under magnification. The measurements obtained by the two EALs and radiographs relative to the actual location of the minor foramen were compared.

Results

No significant difference was found between the performance of radiographic method and EALs.

Conclusion

Electronic apex locators can be used as an adjunct along with radiographic method. Further studies with larger sample size and involving latest generations of apex locators are suggested.

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Keywords

Working length (WL), apical constriction (AC), electronic apex locator (EAL), Propex, Propex II, radiographic method.

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