The accuracy of Root ZX electronic apex locator

Alothmani, Osama S

doi:10.4103/1658-5984.112702

Cited by 13 publications

(14 citation statements)

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“…Tooth-related factors potentially influencing the precision of Root ZX included pre-operative pulp status, tooth type, position of the apical foramen, canal obliteration, and the size of apical diameter. Operative factors including coronal pre-flaring, presence or absence of irrigants, file size, file alloy, and mode of file operation could also influence the performance of Root ZX thus adopting the 0.5 mark of the digital meter of the Root ZX reduces chances of violating the apical foramen while factors influencing the precision of Root ZX must be considered while operating it (33) .…”

Section: Number Of Analgesic Tabletsmentioning

confidence: 99%

Evaluation of Postoperative Pain After Working Length Determination Using Electronic Apex Locator Versus Digital Radiography in Multirooted Teeth. A Randomized Controlled Trial.

Naeem¹,

Abdelaziz²,

Ahmed³

2017

IJAR

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Section: Number Of Analgesic Tabletsmentioning

confidence: 99%

Evaluation of Postoperative Pain After Working Length Determination Using Electronic Apex Locator Versus Digital Radiography in Multirooted Teeth. A Randomized Controlled Trial.

Naeem¹,

Abdelaziz²,

Ahmed³

2017

IJAR

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“…The ratio represents a definite value that reflects the file position inside the canal. [ 11 ] While Epex Pro apex locater work based on advanced multi-frequency network impedance measurement technology and it has high precision in wet and dry canals.…”

Section: Discussionmentioning

confidence: 99%

The accuracy of two electronic apex locators on effect of preflaring and file size: An in vitro study

et al. 2021

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Aim: This study was conducted to evaluate the effect of preflaring and file size on the accuracy of the Root ZX and E-PEX Pro electronic apex locators (EALs). Materials and Methods: The actual working length was set 1 mm short of the apical foramen in the forty extracted mandibular premolars. The teeth were embedded in an alginate mold, and two examiners performed the electronic measurements using #10, #15, and #20 K-files. The files were inserted into the root canals until the “0.0” or “APEX” signals were observed on the light-emitting diode or display screens for the E-PEX Pro and Root ZX, respectively, retracting to the 1.0 mark. The measurements were repeated after the preflaring using the S1 and SX Pro-Taper instruments. The mean differences between the actual length and electronic length values were analyzed by the Wilcoxon signed-ranked test with a significance level of P < 0.05. The factors evaluated were “Accuracy of EALs,” “size of file,” and “presence of preflaring. Results: No significant differences were observed in the accuracy of both EALs when compared with the actual lengths. On the size of the file, significant difference noticed with #20 K-file. The preflaring procedure significantly ( P < 0.05) increased the accuracy of the measurements for the Root ZX and Epex Pro. Conclusions: The tested EALs showed acceptable accuracy, whereas the preflaring procedure revealed a more significant effect than the used file size.

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“…This is the reason that Root ZX is considered to be highly precise in locating the apical foramen [58,70]. However, some previously conducted studies showed that there are several factors that can adversely influence the results [71,72] or even prohibit accurate WL determination, such as blood [73], the protocol adopted [10], the preoperative pulp status [74], the irrigant used [75], or the presence of open apices [62]. This study showed that the reliability of Root ZX is also influenced by the relationship of the root with the maxillary sinus.…”

Section: Discussionmentioning

confidence: 99%

Influence of the Maxillary Sinus on the Accuracy of the Root ZX Apex Locator: An Ex Vivo Study

et al. 2019

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This study evaluated the accuracy of the Root ZX (J. Morita, Tokyo, Japan) electronic apex locator in determining the working length when palatal maxillary molar roots are in a relationship with the sinus. Seventeen human maxillary molars with vital pulp were scheduled for an extraction and implant placement as part of a periodontal treatment plan. The access cavity was prepared, and a #10 K file (Dentsply Maillefer, Ballaigues, Switzerland) was inserted into the palatal root using the Root ZX apex locator in order to determine the electronic working length (EWL); then, the teeth were extracted. To determine the real working length (RWL), a #10 K file was introduced into the root canal until its tip touched a glass plate. EWL and RWL were compared. Images reconstructed with CBCT (cone beam computerized tomography) revealed that eight palatal roots were related to the maxillary sinus, whereas nine were not. The results showed a significant difference between the EWL and the RWL of the palatal roots related to the sinus (p < 0.001). No significant difference was observed in measurements of roots not in contact with the sinus (p > 0.05). Within the study limitations, the reliability of Root ZX was influenced by the relationship of the roots with the maxillary sinus.

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The accuracy of Root ZX electronic apex locator

Cited by 13 publications

References 0 publications

Evaluation of Postoperative Pain After Working Length Determination Using Electronic Apex Locator Versus Digital Radiography in Multirooted Teeth. A Randomized Controlled Trial.

Evaluation of Postoperative Pain After Working Length Determination Using Electronic Apex Locator Versus Digital Radiography in Multirooted Teeth. A Randomized Controlled Trial.

The accuracy of two electronic apex locators on effect of preflaring and file size: An in vitro study

Influence of the Maxillary Sinus on the Accuracy of the Root ZX Apex Locator: An Ex Vivo Study

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