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ORIGINAL RESEARCH
Year : 2023  |  Volume : 14  |  Issue : 1  |  Page : 22-24

Assessment of Elongation Percentage, Tensile and Tear Strength of Maxillofacial Silicone Elastomer after Incorporation of Nano Tellurium Oxide Particles: An In Vitro Study


Department of Prosthodontic, College of Dentistry, University of Baghdad, Bab Al-Muadham campus of the University of Baghdad, Baghdad, Iraq

Correspondence Address:
Abdalbseet A Fatalla
Prosthodontic Department, College of Dentistry, University of Baghdad, Bab Al-Muadham campus of the University of Baghdad, 1417, Baghdad
Iraq
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/denthyp.denthyp_145_22

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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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