Authors
Yasmina Andreani, Ryan David Butler, Diana Patalwala, Paul V Abbott, Mostafa M A Elkholy
Published in
Australian endodontic journal : the journal of the Australian Society of Endodontology Inc. Jul 05, 2026. Epub Jul 05, 2026.
Abstract
The aim of this study was to compare three delivery methods of a hydraulic calcium silicate cement-based sealer by quantifying voids using the single-cone technique. Forty-eight human mandibular molars were instrumented and scanned using micro-computed tomography. The specimen's aspect ratio, shape, and volume were analysed to allow even distribution across three experimental groups (n = 16): sealer injection with a syringe, coating of the master cone and sealer injection followed by sonic agitation. Post-filling micro-computed scanning was used to quantify void volumes in each specimen. Statistical analysis using Kruskal-Wallis and Dunn's post hoc tests (α = 0.05) revealed no significant difference in void volume among the delivery methods (p = 0.120). However, canal shape was a significant factor; round canals exhibited significantly fewer voids than any other shape (p < 0.001). In conclusion, the delivery method did not influence the density of the root canal filling; canal anatomy was the more critical determinant factor for void formation.
PMID:
42402002
Bibliographic data and abstract were imported from PubMed on 05 Jul 2026.
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