Abstract
Background: The aim of this study was to compare the fracture resistance of endodontically treated teeth using epoxy resin-based sealer and bioceramic sealer. Materials and Methods: Twenty-eight single-rooted, single-canal mandibular premolars extracted for orthodontic purposes were used in this in vitro study. The teeth were decoronated using a wheel diamond bur to a standard length of 14 mm under water lubrication. The canals were irrigated between successive filings. All teeth were instrumented (biomechanical preparation) by ProTaper rotary files up to F2. These teeth were then divided into two groups based on the type of root canal sealer used. Gutta-percha was used for all the samples: Group I: Bio-C root canal sealer and Group II: AH Plus root canal sealer. The teeth were embedded in acrylic resin blocks, and fracture force was measured using a universal testing machine. Independent sample t-test/unpaired t-test was performed to assess significant differences between the two groups. This comparison showed statistically significant differences between the two groups (P < 0.05). Results: Group I, i.e., Bio-C (bioceramic based) sealer, showed higher resistance to fracture than Group II, i.e., AH Plus (resin based) sealer. Conclusion: Based on this in vitro study, the Bio-C sealer was more effective as compared to the resin-based AH Plus sealer.
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