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An in vivo radiographic evaluation of the accuracy of Apex and iPex Eletronic Apex Locators

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An in vivo radiographic evaluation of the accuracy of Apex and iPex Eletronic Apex Locators

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Título An in vivo radiographic evaluation of the accuracy of Apex and iPex Eletronic Apex Locators
Autor Paludo, Laura
Souza, Sophia Lopes de
Só, Marcus Vinicius Reis
Rosa, Ricardo Abreu da
Vier-Pelisser, Fabiana Vieira
Duarte, Marco Antonio Húngaro
Abstract The aim of this study was to evaluate in vivo the clinical applicability of two electronic apex locators (EALs) - Apex (Septodont) and iPex (NSK) - in different groups of human teeth by using radiography. The working lengths (WLs) of 100 root canals were determined electronically. The EAL to be used first was chosen randomly and a K-file was inserted into the root canal until the EAL display indicated the location of the apical constriction (0 mm). The K-file was fixed to the tooth and a periapical radiograph was taken using a radiographic film holder. The K-file was removed and the WL was measured. The same procedure was repeated using the other EAL. Radiographs were examined with the aid of a light-box with lens of ×4 magnification by two blinded experienced endodontists. The distance between the file tip and the root apex was recorded as follows: (A) +1 to 0 mm, (B) -0.1 to 0.5 mm, (C) -0.6 to 1 mm, (D) -1.1 to 1.5 mm, and (E) -1.6 mm or greater. For statistical purposes, these scores were divided into 2 subgroups according to the radiographic apex: acceptable (B, C, and D) and non-acceptable (A and E). Statistically significant differences were not found between the results of Apex and iPex in terms of acceptable and non-acceptable measurements (p>0.05) or in terms of the distance recorded from file tip and the radiographic apex (p>0.05). Apex and iPex EALs provided reliable measurements for WL determination for endodontic therapy.
Contido em Brazilian dental journal. Ribeirão Preto. Vol. 23, no. 1 (2012), p. 54-58
Assunto Canais radiculares
Endodontia
Radiografia dentaria
[en] electronic apex locator
[en] radiographic apex
[en] working length
Origem Nacional
Tipo Artigo de periódico
URI http://hdl.handle.net/10183/94536
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