Comparison of Fracture Resistance of Primary Incisors Restored with Different Intracanal-Reinforcement Materials
Fouad Salama,1 Faika Abdelmegid,2 Mohammed Alhussain,3 Hasan Muaddi,3 Nassr AlMaflehi,4 Latifa Alhowaish1 1Department of Pediatric Dentistry and Orthodontics, College of Dentistry, King Saud University, Riyadh, Saudi Arabia; 2Department of Oral Medicine and Diagnostic Sciences, College of Dentistry,...
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2021
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| Acceso en línea: | https://doaj.org/article/bc946bd87e754973945db52e8db63a7d |
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| Sumario: | Fouad Salama,1 Faika Abdelmegid,2 Mohammed Alhussain,3 Hasan Muaddi,3 Nassr AlMaflehi,4 Latifa Alhowaish1 1Department of Pediatric Dentistry and Orthodontics, College of Dentistry, King Saud University, Riyadh, Saudi Arabia; 2Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia; 3College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia; 4Department of Periodontics and Community Dentistry, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi ArabiaCorrespondence: Latifa Alhowaish Email lalhowaish@ksu.edu.saAim: To evaluate the effects of placing short posts made of different restorative materials on the fracture resistance of root canals in primary incisors of primary teeth.Materials and Methods: The root canals of 40 extracted primary incisors were prepared and filled with Vitapex and randomly divided into five groups of 8 each. In Groups 1– 4, a post space was created and filled with different restorative materials (Tetric® N-Ceram Bulk Fill, AeliteFlo, Filtek Z250 XT, and GC Fuji II LC® capsule), while Group 5 was kept filled with Vitapex as a control. Fracture resistance was measured using a universal testing machine at a 0.5-mm/min crosshead speed. The results were statistically analyzed and compared.Results: The highest fracture resistance was recorded for GC Fuji II LC capsules [439.82 N] and control [423.37 N], while the lowest fracture resistance was recorded for Tetric® N Ceram Bulk Fill (239.91 N). A multiple comparison test showed that the Tetric® N-Ceram Bulk Fill had a significantly lower average value than AeliteFlo (P = 0.030), as well as a significantly lower average value than GC Fuji II LC® capsule (P = 0.001), and a significantly lower average value than the control group (P = 0.002). Multiple comparison tests showed no significant difference between Tetric® N-Ceram Bulk Fill and Filtek Z250 XT (P = 0.39).Conclusion: The fracture resistance of primary incisor root canals differs according to the material used for the intracanal posts. Three-millimeter intracanal posts in the primary incisors showed the highest fracture resistance for the teeth restored with GC Fuji II LC capsules and the control.Keywords: fracture resistance, intracanal posts, primary incisors, resin composite |
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