ArticleAustralian endodontic journal : the journal of the Australian Society of Endodontology Inc2025
Impact of Instrumentation Technique on Endodontic Treatment Quality in Curved Molars: A Retrospective Analysis.
Article in Australian endodontic journal : the journal of the Australian Society of Endodontology Inc, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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10 authors.
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Abstract
This cross-sectional study evaluated technical failures in root canal treatments (RCTs) of curved molars (> 10°) performed by undergraduate students and their association with instrumentation techniques. Evaluations included filling extension, density, taper and ledge/zip formation. Bivariate analysis (chi-square, 5% significance) calculated odds ratios (OR) and 95% confidence intervals (CI). Among 188 RCTs, manual instrumentation had higher risks of ledge/zip formation, inadequate density, taper and underfilling, while reciprocating techniques showed more overfilling. Root curvature did not influence failure rates. The study showed 100% power for detecting underfilling, inadequate density and taper; 97.98% for overfilling and 71.11% for ledge/zip formation. Instrumentation technique significantly impacted failure frequency, with manual techniques associated with more complications.
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