ArticleBMC oral health2026
Influence of heat-assisted obturation on the distribution and post-setting stability of a calcium silicate-based endodontic sealer in simulated lateral canals: an in vitro study.
Article in BMC oral health, 2026. 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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6 authors.
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Abstract
backgroundTo evaluate the effect of heat-assisted obturation on the distribution of filling material within apical and coronal lateral canals, the composition of the filling materials present within these canals, and the radiographic and microscopic characteristics of the premixed calcium silicate-based endodontic sealer after setting in standardized lateral canals.
methodsSixty simulated root canals with standardized apical and coronal lateral canals (n = 120) were prepared in resin blocks. Canals were obturated using either a single-cone technique or carrier-based technique, both combined with a premixed calcium silicate-based sealer (CeraSeal
resultsHeat-assisted obturation resulted in significantly higher rates of complete filling in apical lateral canals compared with the single-cone technique (90% vs. 46.7%, p < 0.001). Coronal lateral canals exhibited lower filling rates regardless of technique. Microscopic analysis showed that heat-assisted obturation promoted the combined presence of gutta-percha and sealer within lateral canals, whereas the single-cone technique resulted exclusively in sealer penetration (p < 0.001). No significant differences were observed between immediate and post-setting evaluations (p = 1.0).
conclusionsHeat-assisted obturation enhanced the distribution of filling materials within standardized lateral canals and promoted the concomitant presence of gutta-percha and sealer. No radiographic or microscopic differences were observed between the immediate and 4-day evaluations.
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