Abstract

Introduction: We aimed to assess how the addition of nano tellurium oxide (TeO2) filler particles affected the elongation percentage, tensile strength, and tear strength of the maxillofacial silicone elastomer. Methods: Thirty samples were created by adding nano TeO2 powder (518.9 nm) at percentages of 0%, 3%, and 5% w/w into the RTV VST-50 silicon elastomer. Elongation percentage, tensile, and tear strength were assessed according to the specifications of ISO 37:2017 using a computerized universal testing device. Data were analyzed with one-way ANOVA and Tukey’s honest significant difference test using MedCalc 20.104. Results: There were statistically significant differences regarding elongation percentage, tensile, and tear strength among study groups (P < 0.001). All of the post hoc comparisons showed statistically significant differences (P ≤ 0.002). Conclusion: The addition of 5% and 3% nano TeO2 filler particle significantly increases the elongation percentage, tensile strength, and tear strength of maxillofacial silicone in comparison with the control group, concentration-dependently.

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