{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,4]],"date-time":"2026-09-04T18:02:37Z","timestamp":1788544957936,"version":"build-2803163510"},"reference-count":36,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2013,3,28]],"date-time":"2013-03-28T00:00:00Z","timestamp":1364428800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int Endodontic J"],"published-print":{"date-parts":[[2013,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To evaluate <jats:italic>in vivo<\/jats:italic> the performance of the iPex and Root ZX electronic apex locators (<jats:styled-content style=\"fixed-case\">EAL<\/jats:styled-content>s) in the presence of several irrigant solutions: 2.5% sodium hypochlorite (NaOCl) and 2% chlorhexidine (<jats:styled-content style=\"fixed-case\">CHX<\/jats:styled-content>).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methodology<\/jats:title><jats:p>Thirty\u2010two single\u2010rooted human teeth that were scheduled for extraction were selected. Teeth with metallic restorations, fractures, root resorption, pulp necrosis or open apices were not included The working length (<jats:styled-content style=\"fixed-case\">WL<\/jats:styled-content>) was determined electronically for the root canals with the iPex and Root ZX <jats:styled-content style=\"fixed-case\">EAL<\/jats:styled-content>s in the presence of two different irrigant solutions, 2.5% NaOCl and 2% <jats:styled-content style=\"fixed-case\">CHX<\/jats:styled-content>. After the teeth had been extracted, a size 10\u00a0K\u2010file was used to determine the reference working length (<jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content>), which was established at 0.5\u00a0mm short of the major foramen. In each case, the <jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content> was subtracted from the electronic measurements. Positive values indicated electronic measurements that exceeded the <jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content> (long measurements), whereas negative values indicated measurements that were short of the <jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content>. The values obtained with the different irrigants and <jats:styled-content style=\"fixed-case\">EAL<\/jats:styled-content>s were compared using the paired <jats:italic>t<\/jats:italic>\u2010test. Significance was set at <jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.05.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The accuracy of the iPex nor Root ZX <jats:styled-content style=\"fixed-case\">EAL<\/jats:styled-content> was not affected by 2.5% NaOCl or 2% <jats:styled-content style=\"fixed-case\">CHX<\/jats:styled-content> (<jats:italic>P<\/jats:italic>\u00a0&gt;\u00a00.05). However, significant differences were observed between the readings of the iPex and Root ZX, irrespective of whether 2.5% NaOCl or 2% <jats:styled-content style=\"fixed-case\">CHX<\/jats:styled-content> was used as the irrigant (<jats:italic>P<\/jats:italic>\u00a0&lt;\u00a00.05). The iPex was less accurate than the Root ZX in determining the <jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The accuracy of neither the iPex nor Root ZX <jats:styled-content style=\"fixed-case\">EAL<\/jats:styled-content> was affected by the irrigant used. However, the iPex was less accurate than the Root ZX in determining the <jats:styled-content style=\"fixed-case\">RWL<\/jats:styled-content> both for 2.5% NaOCl and for 2% <jats:styled-content style=\"fixed-case\">CHX<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/iej.12057","type":"journal-article","created":{"date-parts":[[2012,12,24]],"date-time":"2012-12-24T13:05:49Z","timestamp":1356354349000},"page":"769-774","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":36,"title":["<i>In vivo<\/i> evaluation of the iPex and Root ZX electronic apex locators using various irrigants"],"prefix":"10.1111","volume":"46","author":[{"given":"F.","family":"Duran\u2010Sindreu","sequence":"first","affiliation":[{"name":"Department of Restorative Dentistry and Endodontics Universitat Internacional de Catalunya Sant Cugat del Valles Barcelona 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