Comparative Evaluation of Fracture Resistance of Teeth Restored with Biological Dentin Post to that of Glass Fiber and Composite Posts
DOI:
https://doi.org/10.58600/eurjther2643Keywords:
biological dentin post, composite post, fracture resistanceAbstract
Objective: Although different materials have been used for post-fabrication, none can completely simulate natural dentin. Thus, biological dentin posts (BDP) have been introduced in daily practice as a novel approach. The purpose of this study was to compare the fracture strength of endodontically treated teeth with BDP, glass fiber posts (GFP), and composite posts (CP).
Methods: Forty extracted maxillary central incisors were divided into a control and three study groups (n=10). The coronal portions of the teeth were sectioned perpendicular to the long axis below the cementoenamel junction, and 14 mm roots were obtained. Following root canal filling and post-space preparation, the samples were divided into four groups as follows: Group 1 (control group): neither post-space preparation nor post-core restoration; Group 2: GFP and composite core; Group 3: CP and composite core; and Group 4: BDP and composite core. The samples were subjected to load using a Universal Testing Machine. Results were statistically analyzed with the One-Way ANOVA test.
Results: The control group had the highest fracture resistance (p < 0.05). The fracture resistance of the study groups was similar (p > 0.05). The ratios of re-restorable samples were 40%, 50%, and 30% for groups 2, 3, and 4, respectively.
Conclusion: All post types resulted in similar fracture resistance. BDPs may be preferable because of their low costs.
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