ArticleJournal of conservative dentistry and endodontics2025
Comparative evaluation of canal transportation and centering ratio of different nickel-titanium rotary file systems in curved canals using cone-beam computed tomography: An
Article in Journal of conservative dentistry and endodontics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Evaluation of bending test, cyclic fatigue, and buckling resistance test using rotary Nickel-Titanium files of three types: AnJournal of conservative dentistry and endodontics · 2026Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Context: Shaping, in curved canals, is challenging due to tendency of instruments to alter curvature, resulting in procedural errors. The ability of shaping an instrument can be evaluated with variables such as transportation of canal and centering ratio (CR). Manufacturers constantly introduce newer Ni-Ti rotary instruments with optimized properties, due to which clinicians constantly need to evaluate, to be able to select better systems. Aim: The aim of this study was to compare and evaluate CR and canal transportation (CT) after instrumentation of curved canals with TruNatomy (TRN), twisted file (TF), and one curve (OC) systems using cone-beam computed tomography (CBCT). Materials and Methods: Fifty-one freshly extracted mandibular molars with curved mesiobuccal canals were selected and arbitrarily allocated into three groups - TRN, OC, and TF. Their CBCT scans prior to as well as after the canal instrumentation were recorded at three cross-sectional axial levels - 2 mm, 5 mm, and 8 mm from apical exit to determine and compare CT and CR by measurements taken from distal and mesial directions. Statistical Analysis Used: Data were compared and analyzed statistically with the help of one-way analysis of variance along with by post hoc analysis. Results: All three groups performed similarly, with no statistical difference with regard to transportation of canal along with centering ability ( Conclusions: All file systems were able to maintain and conserve the original anatomical curvature of the root canal along with minimal transportation and were able to remain centered while preparing curved canals.
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