Dental Journal of Advance Studies

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Fracture resistance of endodontically treated teeth restored with post. Aims:This study aims to compare the fracture resistance of endodontically treated teeth restored with resin fiber and stainless steel post. Commercially available prefabricated resin fiber post (Dentsply Maillefer Easy Post), prefabricated stainless steel post (Coltene/Whaledent Parapost) were used. Methods & Material: Forty five maxillary central incisors were obturated and divided into 3 groups: Control Group (Group I) without any post (n = 15), Resin Fiber Post Group (Group II) (n = 15) and Stainless Steel Post Group (Group III) (n = 15). In all Groups except control group, post space was prepared; a post was cemented, and a core build-up was provided. All the specimens were subjected to compressive force under a universal testing machine until fracture. Statistical analysis used: The results were analyzed using the variable analysis test (ANOVA). Results: One-way analysis of variance revealed significant difference among test groups. The control group demonstrated highest fracture resistance (925.2183 N), followed by the resin fiber post group (486.7265 N) and stainless steel post group (423.539N). Conclusion: Teeth restored with resin fiber post showed higher fracture resistance values than prefabricated stainless steel post.

Keywords

Fiber Post, Parapost, Fracture Resistance.
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