Context: Bioceramic sealers have improved sealing ability by forming an interfacial apatite layer that chemically bonds the sealer and radicular dentin thus decrease apical leakage.

Aim: This study aims to evaluate and compare the apical leakage of Cerafill RCS bioceramic sealer and gutta percha when used with three different obturating techniques.

Materials And Methods: Thirty-four extracted single-rooted premolars were decoronated and prepared up to size F3. Then, the specimens were randomly divided into 3 experimental groups ( = 10) cold lateral obturation technique, warm vertical obturation technique, single-cone obturation technique, positive and negative control groups ( = 2), according to the obturation technique used along with a bioceramic sealer. To evaluate apical leakage, all specimens were mounted in a glucose leakage model and assessed at 7 and 14 days using an ultraviolet-visible spectrophotometer.

Statistical Analysis: The results were subjected to ANOVA/Kruskal-Wallis ANOVA; followed by post hoc analysis using Bonferroni correction.

Results: Significant differences were found in the cumulative leakage of all the three experimental groups. Significantly higher leakage was found in groups obturated using single-cone obturation technique as compared to warm vertical compaction technique at both 7 and 14 days.

Conclusions: Warm vertical compaction showed a better sealing result than single-cone obturation techniques at all observation periods.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10880467PMC
http://dx.doi.org/10.4103/jcd.jcd_303_23DOI Listing

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