ACCURACY OF ELECTRONIC APEX LOCATOR (EAL) AND RADIOGRAPHIC FILM (RF) AND DIGITAL RADIOGRAPHY (DR) TO DETERMINE WORKING LENGTH

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ZOKAEI S.; FALAHATNEZHAD M.; PARIROKH M.; EFTEKHAR VAGHEFI H.; MOHAMMAD ALIZADEH SAKINEH

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Journal: Journal of Dental School Year:2010 | Volume:28 | Issue:2 (84) Page(s): 71-79

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Title

ACCURACY OF ELECTRONIC APEX LOCATOR (EAL) AND RADIOGRAPHIC FILM (RF) AND DIGITAL RADIOGRAPHY (DR) TO DETERMINE WORKING LENGTH

Author(s)

Keywords

DIGITAL RADIOGRAPHYQ2

ROOT ZXQ3

WORKING LENGTHQ3

RADIOGRAPHIC FILMQ2

Abstract

Background and Aim: WORKING LENGTH determination is one of the most important steps during root canal therapy. Many devices and various methods have been introduced for that purpose amongst them is electronic apex locators and various radiographic systems. This study was carried out to assess the accuracy of electronic apex locator (EAL) and compare RADIOGRAPHIC FILM (RF) and DIGITAL RADIOGRAPHY (DR) in order to determine WORKING LENGTH. Materials and Method: In this study, 36 teeth from 3 cadavers’ jaws which had 38 root canals were used. At first, in each canal a k-type file was inserted into the canal until the Apex signal was emitted by EAL. Afterwards, the file was fixed into the pulp chamber, by cyanoacrylate glue. X-ray images were obtained by RF and DR methods. In order to compare the results of the radiographic methods and EAL as well as determination of apical opening (AO), stereomicroscopic observation was used as gold standard following selective grinding. Results: Results showed that the accuracy of EAL (in ±0.5 mm) was 100%. Agreement observation between (DR and RF), (DR and EAL) and (RF and EAL) were 73.6%, 55.2% and 52.6% respectively. The spearman correlation coefficient showed significant difference between (DR, RF), (DR, EAL) and (RF, EAL) (P<0.05). Conclusion: This study showed that EAL has excellent accuracy (100%) and DR is a valuable method which can be substituted with RF.

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References

DIGITAL RADIOGRAPHIC IMAGES WILL BENEFIT ENDODONTIC SERVICES

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APA: Copy

ZOKAEI, S., FALAHATNEZHAD, M., PARIROKH, M., EFTEKHAR VAGHEFI, H., & MOHAMMAD ALIZADEH, SAKINEH. (2010). ACCURACY OF ELECTRONIC APEX LOCATOR (EAL) AND RADIOGRAPHIC FILM (RF) AND DIGITAL RADIOGRAPHY (DR) TO DETERMINE WORKING LENGTH. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, 28(2 (84)), 71-79. SID. https://sid.ir/paper/21751/en

Vancouver: Copy

ZOKAEI S., FALAHATNEZHAD M., PARIROKH M., EFTEKHAR VAGHEFI H., MOHAMMAD ALIZADEH SAKINEH. ACCURACY OF ELECTRONIC APEX LOCATOR (EAL) AND RADIOGRAPHIC FILM (RF) AND DIGITAL RADIOGRAPHY (DR) TO DETERMINE WORKING LENGTH. JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE[Internet]. 2010;28(2 (84)):71-79. Available from: https://sid.ir/paper/21751/en

IEEE: Copy

S. ZOKAEI, M. FALAHATNEZHAD, M. PARIROKH, H. EFTEKHAR VAGHEFI, and SAKINEH MOHAMMAD ALIZADEH, “ACCURACY OF ELECTRONIC APEX LOCATOR (EAL) AND RADIOGRAPHIC FILM (RF) AND DIGITAL RADIOGRAPHY (DR) TO DETERMINE WORKING LENGTH,” JOURNAL OF DENTAL SCHOOL SHAHID BEHESHTI UNIVERSITY OF MEDICAL SCIENCE, vol. 28, no. 2 (84), pp. 71–79, 2010, [Online]. Available: https://sid.ir/paper/21751/en

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