Raypex 6 showed the highest consistency for measurements in case of a perforation.ĭifferent devices from one type of ERCLMD show a high consistency. There was no statistically significant difference between the settings and conditions. For multiple testing, the level of significance was adjusted and analysis was performed using the Mann-Whitney U test.Īmong the five types of ERCLMD, Apex ID and Raypex 6 showed the highest consistency. Comparisons were carried out using the Kruskal-Wallis test (α = 0.05). Consistency was classified by the scores 0-4. ERCLMDs were connected and measurements were recorded. Teeth were irrigated with different solutions (NaOCl, EDTA, CHX). Devices tested were Root ZX (Morita, Kyoto, Japan), Dentaport ZX (Morita), Apex ID (SybronEndo, Glendora, USA), ProPex II (Dentsply Maillefer, Victoria, Australia), and Raypex 6 (VDW-Antaeos, Munich, Germany). Root length was measured and instruments were inserted and fixed with the tip placed beyond and short of the apical constriction, in roots with an artificial perforation or an open apex. To assess the consistency of electronic determination of endodontic working length obtained from four identical electronic root canal length measurement devices (ERCLMD) from five different types of ERCLMD each under various in vitro conditions.Įight extracted teeth, seven single-rooted teeth, and one molar were accessed.
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