Effect of Tantalum Oxide Nanopowder on Heat Cure Acrylic Resin Impact Strength and Surface Hardness

Diyala Journal of Medicine Pub Date : 2023-10-31 DOI:10.26505/djm.v25i1.1030

Sajjad yaqoub yousif ,, Zainab Saleh Abdullah

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Abstract

Background: In elderly patients, fracture of the denture is one of the most common problems. Therefore, in this research, a chemical tantalum oxide was added to test its effect on the extent of increasing the strength of the denture and its ability to withstand fracture. Objective: To assess how Tantalum oxide affected heat – cured acrylic s impact strength and hardness. Patients and Methods: The Intention was to create a total of (60) specimens. Twenty samples were made without additives (control), and 40 had made with tantalum oxide at two different amounts ( 1%, 1.5%). Results: The impact strength tests showed highly significant difference among studied groups . The hardness test also showed really significant difference between the two groups, the controls and the experiments. when tantalum oxide had added the impact strength and hardness had increase in all concentration. Conclusion: Denture fracture in elderly patients is the main problem, while when adding this substance, a decrease in the fracture rate was observed when compared with dentures without adding this substance.

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纳米氧化钽粉对热固化丙烯酸树脂冲击强度和表面硬度的影响

背景:在老年患者中，义齿骨折是最常见的问题之一。因此，在本研究中，加入化学氧化钽，测试其对义齿强度增加程度和抗断裂能力的影响。目的:探讨氧化钽对热固化丙烯酸树脂冲击强度和硬度的影响;患者和方法:目的是创建共(60)个标本。20个样品不添加添加剂(对照)，40个样品添加了两种不同量的氧化钽(1%，1.5%)。结果:各组间冲击强度试验差异显著。硬度测试也显示了两组，对照组和实验组之间的显著差异。添加氧化钽后，各浓度的冲击强度和硬度均有提高。结论:老年患者义齿骨折是主要问题，添加该物质后，与未添加该物质的义齿相比，骨折率明显降低。 & # x0D;

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Diyala Journal of Medicine

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