Objectives: To evaluate the accuracy between two different electronic apex locators in detecting root canal perforation middle and apical portion during retreatment. Methods: Sixty freshly extracted mandibular premolars were taken to this study, which divided into three groups of twenty each. Group I: Control Group, II: Positive control without perforation, III: Negative with perforation. In al...

PURPOSE The aim of this ex vivo study was to compare the accuracy of radiographic and electronic root canal length determination methods, compared with actual root canal length obtained with stereomicroscope. MATERIALS AND METHODS Thirty extracted single-rooted permanent teeth were used for this study. After access preparation, actual length (AL) of the root canal were determined for each too...

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