Abstract
Aim: This study aims to compare and evaluate the fracture resistance of endodontically treated maxillary anterior teeth restored using new postplacement techniques. Methodology: Forty-five single-rooted maxillary anterior teeth (n = 15) were selected and decoronated at the cementoenamel junction. The working length was determined using a 15K file. Biomechanical preparation was done up to size 70 and the teeth were obturated. After 1 week, the root-filling material, gutta-percha, was removed, and postspace was prepared using a size 3 and 4 peeso reamer. The samples were divided into three groups (n = 15). Group I: Coltene Tenax fiber Post-reinforced with composite (anatomical post). Group II: Coltene Tenax fiber postreinforced with a leno-woven polyethylene; Ribbond fibers. Group III: Coltene Tenax fiber Post-luted with a dual cure cement. After postcementation, core buildup was done. Fracture resistance was measured using a universal testing machine. Results: Statistical analysis was done using one-way analysis of variance and Tukey’s post hoc tests. A statistically significant difference was seen in the mean maximum load (N) between the groups. Group I showed the highest mean maximum load (N), followed by Group II and Group III. A significant P value (P = 0.025) was noted. Conclusion: Coltene Tenax fiber postreinforced with composite (anatomical post) showed the highest fracture resistance in endodontically treated maxillary anteriors.
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