2014
DOI: 10.4103/0972-0707.144610
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Influence of root canal curvature on the accuracy of an electronic apex locator: An in vitro study

Abstract: Objective:This study investigated whether the canal curvature has an influence on the accuracy of Electronic Apex Locator.Materials and Methods:Sixty mandibular posterior teeth were decoronated. A number (No.) 10 file was inserted into the mesiobuccal canal and radiographs were taken to determine the degree of curvature by Schneider's method. Samples were divided into three groups of mild (<20°), moderate (20-36°) and severe curvature (>36°). After enlarging the orifice, the actual canal length was determined … Show more

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Cited by 10 publications
(10 citation statements)
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“…The accuracy of the measurements performed with the use of electrical methods depends on several factors including the type and size of the root canal instrument used for taking the measurement, the diameter of the apical foramen, the shape of the root canal, and the type of irrigation solution [ 11 , 12 , 16 ]. Some authors [ 8 , 14 , 17 19 ] report that the size of the apical foramen and the endodontic instrument determine the obtained result.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…The accuracy of the measurements performed with the use of electrical methods depends on several factors including the type and size of the root canal instrument used for taking the measurement, the diameter of the apical foramen, the shape of the root canal, and the type of irrigation solution [ 11 , 12 , 16 ]. Some authors [ 8 , 14 , 17 19 ] report that the size of the apical foramen and the endodontic instrument determine the obtained result.…”
Section: Resultsmentioning
confidence: 99%
“…Insufficient working length results in residual (necrotic or vital) tissue in the root canal, improper root canal preparation and obturation, formation of periapical lesions, posttreatment pain, and the spread of infection. Nevertheless, an incorrect working length may cause injury to the periapical tissues, bleeding, pain, extended treatment period resulting in reinfection, and a possibility of canal overfilling and extrusion of endodontic material beyond the apical region [ 9 11 ]. Due to high species variability, it is difficult to determine a standard tooth root canal length in dogs.…”
Section: Introductionmentioning
confidence: 99%
“…The reported accuracy rate is 85%-95%, even with electrolytes. [8][9][10][11][12] The 1996 study by Shabahang et al [13] reports a reliability rate of up to 96.5%.…”
Section: Discussionmentioning
confidence: 99%
“…In order to reduce variables, teeth selection was based on various exclusion criteria ( Table 1 ). 8 , 14 , 21 , 27 , 28 Standardized pre-operative diagnostic periapical radiographs were taken for each tooth to confirm meeting these criteria. All teeth were placed in 2.5% sodium hypochlorite solution (NaOCl; Diaa, Saudi Arabia) for 2 hours to remove organic residues and then stored in sterile 0.9% saline solution (PSI, Saudi Arabia) until further use.…”
Section: Methodsmentioning
confidence: 99%
“…Using radiographs is the most common technique for WL determination. 14 Radiographs aid in identifying the anatomy of the root canal, the number of roots, and the presence of lesions. 15 The disadvantage of this method is not being able to determine the position of the AC by radiographs because of the internal morphology of the root canal.…”
Section: Introductionmentioning
confidence: 99%