Journal of Conservative Dentistry
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Year : 2015  |  Volume : 18  |  Issue : 1  |  Page : 66-69

In vitro evaluation of Root ZX and Raypex 6 in teeth with different apical diameters

Department of Endodontics, Faculty of Dentistry, Gaziantep University, Gaziantep, Turkey

Correspondence Address:
Dr. Ugur Aydin
Gaziantep University, Dentistry Faculty, ?ehitkamil - 27060, Gaziantep
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-0707.148899

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Background: There is a growing interest about electronic apex locators for working length determination. There are several studies dealing with their performance in different conditions. Aims: The aim of this study is to evaluate the accuracy of Root ZX and Raypex 6 in teeth with different apical diameters. Materials and Methods: Actual working length (AWL) of 80 single rooted teeth were determined as 0.5 mm short of apical foramen. The teeth were divided into 4 groups (n = 20). First group (G 0) included teeth with mature apices. Root canals of the other groups (G 32, G 57 and G 72) were enlarged until apical sizes of 0.32, 0.57 and 0.72 mm were obtained. Samples were embedded in alginate and electronic measurements (EM) were performed. Statistical analysis: was achieved with Fisher exact test. Results: Both devices revealed a high rate of success in G 0 and G 32. Their accuracy decreased significantly in G 57 and G 72 groups (P < 0.05). Intra-group results of Root ZX and Raypex 6 were similar (P > 0.05). Conclusions: Root ZX and Raypex 6 are reliable in teeth with mature apices. At foramen diameters exceeding 0.57 mm, their accuracy is susceptible.

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