Accuracy of Root ZX in teeth with simulated root perforation in the presence of gel or liquid type endodontic irrigant

Hyeong-Soon, Shin; Yang, Wenjun; Kim, Miri; Ko, Hyunjung; Cho, Kyung-Mo; Park, Se-Hee; Kim, Jin-Woo

doi:10.5395/rde.2012.37.3.149

Cited by 27 publications

(33 citation statements)

References 24 publications

(30 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Previous studies showed that CHX group was closest to the actual length. [ 31 ] This finding was confirmed in this study. CHX group showed shortest distance to the apex than that of NaOCl group for both the apex locator measurements.…”

Section: Discussionsupporting

confidence: 88%

Efficiency of an integrated apex locator in determining working length in various irrigating solutions: An in vivo study

et al. 2020

View full text Add to dashboard Cite

A BSTRACT Objective(s): The objective of this in vivo study was to compare and evaluate the accuracy of VDW Gold (VDW, Munich, Germany) integrated apex locator (IAL) and Root ZX Mini (J. Morita Corp., Kyoto, Japan) in two different irrigating solutions. Materials and Methods: Forty patients who required extraction were included in the study. Following local anesthesia, access opening was performed under rubber dam isolation. Initial negotiation of canal was performed using size 10 K-Files (M-Access, Dentsply Maillefer, Ballaigues, Switzerland). Cervical preparation was carried out using Rotary ProTaper SX files (Dentsply Maillefer, Ballaigues, Switzerland) under copious irrigation with 3% sodium hypochlorite. Patients were divided into two groups of 20 each: Group I (NaOCl) and Group II (CHX). The working length (WL) was determined in triplicates for each tooth using Root ZX apex locator and with S1 ProTaper rotary file in continuous motion in case of VDW Gold IAL in the presence of 3% sodium hypochlorite and 2% chlorhexidine. Therapeutic extraction was performed and WL was determined using size 15 K-Files under 20× magnification. Results: The paired sample independent t test showed that there was no significant difference between the Root ZX and VDW apex locator in determining the minor foramen in NaOCl group ( P = 0.234, 0.453 respectively) and CHX group ( P = 0.085, 0.087) when compared with actual working length. Conclusion: Both the apex locators were equally effective in determining WL at 0.5 mm from the apex in presence of irrigating solutions, that is, NaOCl and chlorhexidine.

show abstract

Section: Discussionsupporting

confidence: 88%

Efficiency of an integrated apex locator in determining working length in various irrigating solutions: An in vivo study

et al. 2020

View full text Add to dashboard Cite

show abstract

“…[21] However, according to Shin et al ., electrical conductivity of CHX was much lower than other liquid type of irrigants. [20] This can be presumed to be the main contributing factor in our study.…”

Section: Discussionmentioning

confidence: 84%

“…According to Shin et al ., electrical conductivity of tap water is 100–1000 μS/cm and 1% NaOCl is 1,72,420 μS/cm, and such differences in the electrical conductivity among different irrigating solutions are said to affect the determination of the working length. [20]…”

Section: Discussionmentioning

confidence: 99%

Accuracy of two electronic apex locators in locating root perforations in curved canals in dry and wet conditions: A comparative in vitro study

et al. 2019

View full text Add to dashboard Cite

Background:The aim of the study was to evaluate the accuracy of iPex and Vdw gold apex locators in detecting simulated root perforations in curved canals in the presence of 3% sodium hypochlorite (NaOCl) and 2% chlorhexidine (CHX).Materials and Methods:In this comparative in vitro study Twenty mandibular molars with curved mesial roots were selected and perforation was made in the danger zone 4 mm from the furcation area. The actual length of the perforation site was measured using stereomicroscope software using a #15 K file, following which the teeth were embedded in alginate molds. The perforation site was electronically measured using two apex locators, iPex and Vdw gold in dry condition and in the presence of 3% NaOCl and 2% CHX. The values obtained were compared using the Friedman and Wilcoxon signed-rank test with level of statistical significance set at P ≤ 0.05.Results:In dry condition, Vdw gold showed near accurate values, i.e., 0.25 mm from the manual value whereas iPex showed a significant difference (P < 0.05) of 0.76 mm from the manual value. In the presence of 3% NaOCl, both the apex locators showed a significant difference (P < 0.05) from the manual value with iPex showing a difference of 0.70 mm and Vdw gold showing a difference of 0.74 mm. The most accurate values were determined by both the apex locators in the presence of 2% CHX with iPex showing a deviation of 0.13 mm and Vdw gold showing a deviation of 0.39 mm from the manual.Conclusion:In dry condition, Vdw group showed better results than iPex in determining the length of the root perforation. In wet condition, in the presence of 2% CHX, both the apex locators accurately measured the perforation site, whereas in the presence of 3% NaOCl, both the apex locators showed a significant difference (P < 0.05) from the manual value in detecting the root perforation.

show abstract

“…These results are in agreement with the above-mentioned studies. Many studies have used a ± 0.5 mm error range to assess the accuracy of the EALs 22,23 , and others have relied on a range of ±1.0 mm. 11,24 Measurements within these tolerances were considered accurate and clinically acceptable in the present study because the relation between the rubber stop and the reference point, the rubber stop and the caliper, or the file tip and the caliper was difficult to control visually.…”

Section: Tepeklinikmentioning

confidence: 99%

Effectiveness of Two Apex Locators to Determine Simulated Horizontal Root Fractures

Arslan¹,

Altunbaş²,

Kuştarcı³

2018

Yeditepe J Dent

View full text Add to dashboard Cite

The aim of this study was to evaluate in vitro the effectiveness of the two different electronic apex locators (Dentaport ZX and Rootor-EALs) in locating simulated horizontal root fractures. Materials and Methods: Forty extracted human single-rooted teeth with mature apices were randomly divided into two groups of 20 teeth each. An incomplete horizontal fracture was simulated by preparing a with a 0.25 mm thick disk in the middle and apical portion of the root and the teeth were mounted in an alginate mold. The electronic measurements (ELs) of the simulated root fractures were established with a size 10 K-file by each EAL in both fracture levels. The actual canal lenghts (ALs) were measured under a stereomicroscope. The ALs were subtracted from the ELs of the fractures. The data were analyzed using the Mann-Whitney U and the Wilcoxon signed-rank tests at a significance level of P < .05. Results: The mean differences between the ELs and ALs were-0.12 ± 0.27; 0.09 ± 0.38;-0.10 ± 0.25; 0.18 ± 0.53 mm in the Dentaport ZX and Rootor groups and middle and apical horizontal fracture levels, respectively. The Dentaport ZX performed measurements within ±0.5 mm in 18 and in 19 samples while the Rootor performed in 12 and in 11 samples, middle and apical horizontal fracture levels respectively. Statistically, significant differences were found among the EALs at both horizontal fracture levels (P < .05). However; no statistically significant differences were found between the fracture levels in each of the EALs (P > .05). Conclusions: The Dentaport ZX measurements were shorter than ALs whereas the Rootor measurements were longer than Als. Furthermore, the number of measurements obtained within ± 0.5 mm in Dentaport ZX is more than that of Rootor. Under the conditions of this study, the Dentaport ZX group showed an acceptable determination of the horizontal root fracture.

show abstract

Accuracy of Root ZX in teeth with simulated root perforation in the presence of gel or liquid type endodontic irrigant

Cited by 27 publications

References 24 publications

Efficiency of an integrated apex locator in determining working length in various irrigating solutions: An in vivo study

Efficiency of an integrated apex locator in determining working length in various irrigating solutions: An in vivo study

Accuracy of two electronic apex locators in locating root perforations in curved canals in dry and wet conditions: A comparative in vitro study

Effectiveness of Two Apex Locators to Determine Simulated Horizontal Root Fractures

Contact Info

Product

Resources

About