Comparative Evaluation of Accuracy of 2 Electronic Apex Locators with Conventional Radiography: An Ex vivo Study

Khandewal, Deepika; Ballal, Vasudev; Muliya, Vidya Saraswathi

doi:10.1016/j.joen.2014.10.011

Cited by 34 publications

(36 citation statements)

References 28 publications

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“…In recent years, many different models of EALs have been developed, measuring the impedance with different frequencies between the file tip and fluid within the canal , including the MiniApex Locator (SybronEndo, Sybron Dental, Anaheim, CA, USA) and the Root Zx II (J. Morita MFG Corp., Kyoto, Japan). Current EALs are reliable, exhibit high accuracy and reproducibility in locating the major apical foramen . Additionally, the use of EALs reduces patient exposure to ionising radiation by reducing the number of radiographs to determine the WL.…”

Section: Introductionmentioning

confidence: 99%

Influence of different sized files on the accuracy of two electronic apex locators

et al. 2017

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The aim of this study was to evaluate the impact of different file sizes on the accuracy of two electronic apex locators (EALs). Thirty extracted human single-rooted permanent mandibular incisors were used. A #10 K-file was inserted in the root canal until its end could be observed (using a light microscope) through the apical foramen. One millimetre was subtracted to establish working length (WL). Electronic readings were performed using MiniApex Locator or Root ZX II, from #10 K-file to #130 K-file. Statistical analysis was performed by two-way anova and Tukey test (P ≤ 0.05). From #60 to #130 K-file, observed differences were noted between the values obtained with both EALs and WL (P ≤ 0.05). The MiniApex Locator showed increased means when measurements were made with #50 to #70 and with #120 (P = 0.008) and #130 (P = 0.005) K-files. File sizes influenced the accuracy of EALs - the greater the instrumentation size, the higher mean differences compared to WL.

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Section: Introductionmentioning

confidence: 99%

Influence of different sized files on the accuracy of two electronic apex locators

et al. 2017

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“…Other study showed that RootOR was affected by 2.5% sodium hypochlorite (NaOCl), 0.9% saline solution (NaCl), and 17% EDTA. The authors concluded that better results could be found in dry canals [24]. Endo EZE was the only apex locator that did not show differences with the 4 irrigant solutions.…”

Section: Resultsmentioning

confidence: 93%

Influence of Irrigant Solutions and Apex Locators in Working Length Determination

Rf¹,

Rn²,

Rodriguez³

et al. 2017

Journal of Oral Health and Dental Science

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The working length is considered the distance between a coronal reference point and an apical level, in order to obtain the instrumentation and obturation limit [1]. This mensuration is one of the main factors in endodontic treatment success [2]. Previous determination of working length is critical to cleaning, shaping and obturation of radicular canals and has to be carefully measured [3]. The objective of this study is to evaluate the accuracy of three apex locators using four irrigant solutions to determine the working length of root canals. Material and methods: thirty unirradicular teeth were used. Teeth were randomly divided into three groups, in order to establish the working length, using different apex locators: Raypex 6, Endo EZE and RootOR. Four different irrigant solutions were used combined with the apex locators: saline solution (0.9% sodium chloride), 2% chlorhexidine digluconate, 18% EDTA and 5.25% NaCLO. Real working length (RWL) was determined using a #15 K-file in each specimen until the end of the file was visualized in stereoscopic microscopy. Scores (%) were attributed to each difference found between the working length gave by the apex locators and the RWL. Influence of Irrigant Solutions and Apex Locators in Working Length DeterminationResults: there was a significant difference between the RWL and that one found with the apex locators Raypex 6 and RootOR; however, Endo EZE did not show statistical differences. The four different irrigant solutions did not show statistically differences between then. Conclusions: the precision to estimate the working length with Raypex 6 and RootOR was affected by the different irrigant solutions in the root canal; Endo EZE was the most accurate apex locator to estimate the RWL.Abstract

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“…Quando comparados com o método radiográfico, os estudos tem demonstrado que os LAEs apresentam a mesma precisão em determinar o CT 45 . Sendo que com relação ao método radiográfico, alguns estudos tem encontrado diferenças significativas ao comparar o método radigráfico digital e convencional 46 , e outros estudos apontam para a inexistência de diferenças significativas entre os dois métodos readiográficos combinados à odontometria eletrônica 47 .…”

Section: Discussionunclassified

Análise comparativa de diferentes métodos de odontometria

Leal¹,

Gomes²

2019

Arch Health Invest

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ResumoIntrodução: A odontometria constitui uma etapa fundamental para o sucesso do tratamento endodôntico, atualmente existem diversos métodos para a obtenção dessa medida. Objetivo: Realizar uma comparação entre o comprimento real do dente mensurado pelas técnicas de Ingle e eletrônica, utilizando os localizadores apicais eletrônicos Root ZX e Propex. Material e método: Foram selecionados 24 pacientes para participar do estudo, obtendo-se um grupo de vinte e quatro dentes unirradiculares, com rizogênese completa e diagnóstico de necrose pulpar, para realização das mensurações. Após o isolamento, acesso e neutralização do conteúdo séptico do canal radicular, todos os dentes foram submetidos às três técnicas de odontometria, obtendo-se assim o comprimento real do dente. Os dados foram submetidos a uma análise estatística descritiva. Após verificação da normalidade dos dados mediante emprego do teste de Shapiro-Wilk, realizou-se o teste ANOVA o qual demonstrou efeito significativo do tipo de método utilizado para obter os valores do comprimento real do dente. Resultados: A comparação par a par com ajuste de Bonferroni revelou que a média dos valores do comprimento real do dente obtidos por meio da técnica radiográfica de Ingle e do localizador Root ZX foram diferentes de maneira significativa da média dos valores obtidos usando o localizador Propex. Conclusão: Com base nos dados apresentados, conclui-se que o localizador apical Propex apresentou resultados diferentes dos obtidos pela técnica de Ingle e pelo localizador Root ZX. Descritores : Odontometria; Cavidade Pulpar; Ápice Dentário. Abstract Introduction: Odontometry is a fundamental step for successful endodontic treatment, there are currently several methods to obtain this measure. Objective: To perform a comparison between the real length of the tooth measured by the Ingle and electronic techniques, using Root ZX and Propex electronic apical locators. Material and method: Twenty-four patients were selected to participate in the study, obtaining a group of twenty-four unirradicular teeth, with complete rhizogenesis and diagnosis of pulp necrosis to perform the measurements. After the isolation, access and neutralization of the septic contents of the root canal, all teeth were submitted to the three odontometry techniques, thus obtaining the real length of the tooth. The data were submitted to a descriptive statistical analysis. After checking the normality of the data using the Shapiro-Wilk test, the ANOVA test was performed, which demonstrated a significant effect of the type of method used to obtain the actual tooth length values. Results: Comparison with Bonferroni adjustment showed that the mean values of real length of the tooth obtained using the radiographic technique of Ingle and the Root ZX locator were significantly different from the mean values obtained using the Propex locator. Conclusion: Based on the data presented, it was concluded that the apical locator Propex presented results different from those obtained by the Ingle technique and by the...

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Comparative Evaluation of Accuracy of 2 Electronic Apex Locators with Conventional Radiography: An Ex vivo Study

Cited by 34 publications

References 28 publications

Influence of different sized files on the accuracy of two electronic apex locators

Influence of different sized files on the accuracy of two electronic apex locators

Influence of Irrigant Solutions and Apex Locators in Working Length Determination

Análise comparativa de diferentes métodos de odontometria

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