纳米和微羟基磷灰石颗粒对丙烯酸树脂冲击强度影响的体外研究

Q4 Biochemistry, Genetics and Molecular Biology

Journal of Biomolecular Techniques Pub Date : 2023-09-30 DOI:10.51173/jt.v5i3.1476

None Ahmed Abdulameer Abduljabbar, None Firas Abd kati, None Ayad I. Haddad, None Ihtesham Rehman

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引用次数: 0

摘要

聚甲基丙烯酸甲酯被认为是义齿基托的基础材料。然而，这种物质有一些缺点，如抗冲击性差，这被认为是导致义齿基托树脂断裂的主要原因。研究的目的是确定纳米和微羟基磷灰石颗粒如何影响丙烯酸树脂的冲击强度。采用热固化丙烯酸树脂制作30个标本，分为3组:对照组10个，1%纳米羟基磷灰石组10个，微羟基磷灰石组10个。用charpy型试验机对丙烯酸样品进行了冲击强度测试。然后使用SPSS v20对数据进行分析。组间比较采用方差分析检验。所有研究组之间具有高度统计学意义的差异(p值<0.0001)。5%微羟基磷灰石和1%纳米羟基磷灰石的平均值均高于对照组。在PMMA中加入纳米和微羟基磷灰石可提高丙烯酸树脂的冲击强度。

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Evaluation of the Effect of Nano and Micro Hydroxyapatite Particles on the Impact Strength of Acrylic Resin: In Vitro Study

Poly (methylmethacrylate) is considered the basis material for a denture base. However, such substance has some drawbacks such as poor impact resistance, which is thought to be the primary cause of fracture of denture base resins. The purpose of the study was to determine how Nano and Micro hydroxyapatite particles affected the impact strength of acrylic resin. Thirty specimens were constructed of heat-cured acrylic resin and were divided into three groups: Ten specimens for the control, 10 for 1%nano hydroxyapatite, and 10 for micro hydroxyapatite. Acrylic samples were subjected to an impact strength test via a Charpy-type. Data were then analysed using SPSS v20. The ANOVA test was used for comparison among the groups. Highly statistically significant differences among all studied groups (P-value <0.0001). Both 5% Micro hydroxyapatite and 1% Nano hydroxyapatite had a higher mean value than the control. Incorporating Nano and Micro hydroxyapatite into PMMA improved the impact strength of acrylic resins.

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来源期刊

Journal of Biomolecular Techniques Biochemistry, Genetics and Molecular Biology-Molecular Biology

CiteScore

2.50

自引率

0.00%

发文量

期刊介绍： The Journal of Biomolecular Techniques is a peer-reviewed publication issued five times a year by the Association of Biomolecular Resource Facilities. The Journal was established to promote the central role biotechnology plays in contemporary research activities, to disseminate information among biomolecular resource facilities, and to communicate the biotechnology research conducted by the Association’s Research Groups and members, as well as other investigators.