To Compare and Evaluate the Fracture Resistance of Three Post Endodontic Restorations Including Silver Amalgam, Dual Cure Composite Resin and Fibre Reinforced Composite Resin


Authors : Dr. Kalpana Pawar Patil; Dr. Shivani Vyavahare; Dr. Sadashiv Daokar; Dr. Komal Potfode; Dr. Kshama Sarak; Dr. Madhuri Khatod

Volume/Issue : Volume 9 - 2024, Issue 1 - January

Google Scholar : https://tinyurl.com/22n4jjkn

Scribd : https://tinyurl.com/55v69zzk

DOI : https://doi.org/10.38124/ijisrt/IJISRT24JAN1513

Abstract : Background: Endodontically treated teeth are thought to be more prone to fracture. The last stage in a successful root canal treatment is to restore root canal-treated teeth with a permanent, definitive postendodontic restoration. Dehydration, dentin loss during endodontic procedures, and the elimination of significant anatomic elements like cusps, ridges, and the pulp chamber's arched roof—all of which contribute significantly to the normal tooth's support—are the causes of the fracture of endodontically treated teeth. Consequently, intracoronal strengthening is necessary to prevent tooth fracture, especially in the posterior teeth where compressive stresses brought on by occlusal forces can cause tooth fractures.1 Since core materials typically replace a significant portion of the tooth structure and must withstand multidirectional masticatory forces,their compressive strength is crucial.2  Aim: The purpose of this study was to compare the compressive strengths of three direct post enododontic restorations.  Material and Methods: There are thirty extracted maxillary premolars chosen. After receiving root canal therapy, the teeth were divided randomly into three groups for immediate post-endodontic restorations: (i) silver amalgam (ii)Fiber-reinforced composite resin (iii) dual cure glass- reinforced composite resin . After that, a Universal Testing Machine was used to apply compressive stress on the teeth.  Statistical Analysis: Fracture loads will be compared statistically, and the data will be analysed using version 21.0 of SPSS software, analysis of variance and the Post-hoc test for multiple comparisons.  Result and Conclusion: Within the limits of the study, it showed that the post hoc tests reveal that the mean difference of compressive load strength is significant between all the groups, Amalgam has highest load strength followed by Fiber reinforced composite. Dual cure composite has lowest compressive load strength.

Background: Endodontically treated teeth are thought to be more prone to fracture. The last stage in a successful root canal treatment is to restore root canal-treated teeth with a permanent, definitive postendodontic restoration. Dehydration, dentin loss during endodontic procedures, and the elimination of significant anatomic elements like cusps, ridges, and the pulp chamber's arched roof—all of which contribute significantly to the normal tooth's support—are the causes of the fracture of endodontically treated teeth. Consequently, intracoronal strengthening is necessary to prevent tooth fracture, especially in the posterior teeth where compressive stresses brought on by occlusal forces can cause tooth fractures.1 Since core materials typically replace a significant portion of the tooth structure and must withstand multidirectional masticatory forces,their compressive strength is crucial.2  Aim: The purpose of this study was to compare the compressive strengths of three direct post enododontic restorations.  Material and Methods: There are thirty extracted maxillary premolars chosen. After receiving root canal therapy, the teeth were divided randomly into three groups for immediate post-endodontic restorations: (i) silver amalgam (ii)Fiber-reinforced composite resin (iii) dual cure glass- reinforced composite resin . After that, a Universal Testing Machine was used to apply compressive stress on the teeth.  Statistical Analysis: Fracture loads will be compared statistically, and the data will be analysed using version 21.0 of SPSS software, analysis of variance and the Post-hoc test for multiple comparisons.  Result and Conclusion: Within the limits of the study, it showed that the post hoc tests reveal that the mean difference of compressive load strength is significant between all the groups, Amalgam has highest load strength followed by Fiber reinforced composite. Dual cure composite has lowest compressive load strength.

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