The precision of electronic apex locators in working length determination: A systematic review and meta-analysis of the literature

Igor Tsesis, Tamar Blazer, Gil Ben-Izhack, Silvio Taschieri, Massimo Del Fabbro, Stefano Corbella, Eyal Rosen

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction This study aimed to evaluate the precision of electronic apex locators (EALs) in locating the apical constriction (AC) during a root canal treatment compared with a histologic evaluation of the AC as well as the effects of possible influencing factors by means of a systematic review of the literature and meta-analysis. Methods A systematic search of the literature was performed to identify studies that histologically evaluated the precision of EALs in human teeth. The identified studies were subject to strict inclusion criteria followed by data extraction and meta-analysis. Results From 247 articles, 10 articles met the inclusion criteria, with a total of 1105 EAL measurements performed by 4 types of EALs: Root ZX (J Morita, Tokyo, Japan), Justy II (Hager & Werken GmbH & Co, Duisburg, Germany), Endy 5000 (Loser Co, Leverkusen, Germany), and Endox (Lysis Co, Milan, Italy). Root ZX, Justy II, and Endy 5000 were found to be significantly more accurate than Endox in determining the distance between the file tip and the apical constriction (P

Original languageEnglish
Pages (from-to)1818-1823
Number of pages6
JournalJournal of Endodontics
Volume41
Issue number11
DOIs
Publication statusPublished - Nov 1 2015

Keywords

  • Apical constriction
  • electronic apex locators
  • root canals
  • working length

ASJC Scopus subject areas

  • Dentistry(all)

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