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Fracture Resistance and Interfacial Adaptation of Prefabricated Exacto Glass Fiber Post vs. Customized Ribbond Fiber Post with Two Post Lengths: A Comparative Study | ||
| Tikrit Journal for Dental Sciences | ||
| Volume 13, Issue 2, December 2025, Pages 452-465 PDF (722.5 K) | ||
| DOI: 10.25130/tjds.13.2.17 | ||
| Authors | ||
| Marwah Yahyah Abbas* 1; Ali M. Al-Naimi1; Abdulhaq A. Suliman2 | ||
| 1Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq. | ||
| 2College of Dentistry, Ajman University, Centre of Medical and Bio-Allied Health, United Arab Emirates. | ||
| Abstract | ||
| Aim: The current study aimed to compare the fracture resistance between prefabricated Exacto glass fiber posts and customized Ribbond fiber posts at two different post lengths and assesses their interfacial adaptability. Materials and Methods: Seventy extracted human mandibular first premolars were collected, standardized, and mounted with simulated periodontal ligaments. Teeth were categorized into three groups: control (no post) and two experimental groups (Exacto fiber post and Ribbond fiber post) with two post lengths (12 mm and 8 mm). Endodontic treatment, preparation post space and ferrule effect, cementation of the post, and core build-up were performed. Fracture resistance test was assessed using a universal testing machine while the interfacial adaptability was evaluated utilizing field emission scanning electron microscopy. Data were gathered and examined statistically through one-way analysis of variance and Post Hoc Tukey HSD tests at P ≤ 0.05. Results: A significant difference in fracture resistance and interfacial adaptation was presented between the two post types, while there was no significant difference in fracture resistance between the posts of length 12mm and 8mm Conclusion: Customized Ribbond posts demonstrated greater fracture resistance and interfacial adaptation than prefabricated Exacto posts. In the examined post systems, lengthening the post was not substantially improved fracture resistance of teeth that treated endodontically. | ||
| Keywords | ||
| Ribbond post; Exacto post; Fracture resistance; Interfacial adaptation | ||
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