Evaluation of Compressive Strength Among Different Types of Composite Resin: An in Vitro Study
DOI:
https://doi.org/10.15218/edj.2025.17Keywords:
Compressive strength, universal testing machine, composite resin, filler particle, micro composite, laboratory research, in vitro studyAbstract
Background and Objectives: Wearing of composite is a major challenge in resin-based restoration, the aim of this study was to evaluate the compressive strength of different types of composite resin based on their filler content.
Material and Methods: Forty specimens of resin composite have been used in a cylindrical shape with height of four millimeter and a diameter of five millimeter. The 40 specimens were divided into two main groups according to the type of composite brand, each group consisted of 20 specimens, with further subdivision into two subgroups according to the filler content of composite. Group A: Charisma, Group B: Bisico. In Subgroups A1 and A2: Micro and Nano Charisma were used. In Subgroups B1 and B2 Micro and Nano of Bisico were used. A universal testing machine was used to determine the compressive strength of each specimen. Statistical analysis was performed using SPSS to compare between the groups.
Results: There was a significant difference between B1 (Microfiller Bisico Composite) and B2 (Nanofiller Bisico Composite), B1 had higher compressive strength. While there was no significant difference between A1 (Microfiller Charisma composite) and A2 (Microfiller Charisma composite).
Conclusion: Within the limitation of this study, it was found (A1) Microfiller Charisma composite, (B1) Microfiller Bisico composite, and (A2) Nanofiller Charisma composite, has the highest compressive strength resistance, so they can withstand greater compressive stress and are recommended for use in posterior teeth.
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