Evaluation of Accuracy Of Different Electronic Apex Locators In Detecting Simulated Horizontal, Vertical Root Fractures And Root Perforations - An Invitro Study.
Journal Title: International Journal of Dental Science and Innovative Research (IJDSIR) - Year 2019, Vol 2, Issue 1
Abstract
Aim - To evaluate the accuracy of Root ZX II, iRoot, EMS apex locators in detecting simulated horizontal, vertical root fractures and root perforations Materials and methods - 40 freshly extracted single rooted maxillary central incisors were selected for study. Teeth were decoronated at CEJ and access cavities were performed and roots randomly divided into 4 groups. Group I (n-10) - The 6th mm from coronal flat surface of roots was cut with 0.2 mm thick disc simulating horizontal root fracture, Group II (n-10) - Incomplete vertical root fracture was simulated from 4th to 8th mm of roots, Group III (n-10) - The teeth with perforation in root, Group IV (n-10) – (Control group) teeth in which root lengths adjusted to 16 mm. All teeth were embedded in boxes containing alginate. Each single tooth in all groups was measured through Root ZX II, iRoot, and Endo Master System (EMS) apex locators. Analysis was done using SPSS version 21. Comparison of mean working length among three apex locators was compared with repeated measures ANOVA independently in each group. Results – In Group I, III, IV all the three apex locators were accurate and there is no statistical significant difference (P>0.05). In Group II – Root ZX II and iRoot apex locators detected vertical root fractures more accurately than EMS apex locator and there was statistically significant difference (P<0.05). Conclusion : Root ZX II, iRoot and EMS apex locator were accurate and acceptable clinical tools in detecting apical constriction, horizontal root fractures and root perforations. Root ZX II, iRoot apex locator were more accurate in detecting vertical root fractures than EMS apex locator.
Authors and Affiliations
Major (Dr) Lakinepally Abishek
Keywords
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