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Flexural fatigue and Impact failure are the two primary causes of Denture fractures that occur in usage. This study aimed to evaluate the effect of incorporation of WS2 NPs on the Impact Strength and Flexural Strength of Heat-Cured PMMA Denture Base Resin. 90 Specimens were tested in total. Subgroups A and B were reinforced with 0.05% and 0.1% WS2 NPs with Subgroup C as Control. Group1 and 2 were tested for Impact and Flexural strength respectively. Data analysis by SPSS Version 25 software. Group1 showed significantly increased Impact strength of PMMA (P < .001). Group2 showed Comparative improvement in the Flexural strength of PMMA (P = .106). Independent samples t-test revealed a statistically significant improvement in the flexural strength of 0.1% when compared to the control group. Thus, it is concluded that adding 0.1% of WS2 NPs can significantly improve the Impact strength and Flexural strength of PMMA Denture base resin.

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Impact and Flexural Strength of Denture Base Resin Reinforced with Tungsten Disulfide Nanoparticles: An In-Vitro Study

  • 会议论文

  • 发表日期：

    2025年

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  • J. Monisha,
  • K. N. Raghavendra Swamy,
  • S. Meenakshi

摘要

Flexural fatigue and Impact failure are the two primary causes of Denture fractures that occur in usage. This study aimed to evaluate the effect of incorporation of WS2 NPs on the Impact Strength and Flexural Strength of Heat-Cured PMMA Denture Base Resin. 90 Specimens were tested in total. Subgroups A and B were reinforced with 0.05% and 0.1% WS2 NPs with Subgroup C as Control. Group1 and 2 were tested for Impact and Flexural strength respectively. Data analysis by SPSS Version 25 software. Group1 showed significantly increased Impact strength of PMMA (P < .001). Group2 showed Comparative improvement in the Flexural strength of PMMA (P = .106). Independent samples t-test revealed a statistically significant improvement in the flexural strength of 0.1% when compared to the control group. Thus, it is concluded that adding 0.1% of WS2 NPs can significantly improve the Impact strength and Flexural strength of PMMA Denture base resin.