羟基磷灰石作为基于聚甲基丙烯酸甲酯的义齿基托材料中的填充物对改善机械性能的作用

Ardista Izdhihar Kaloka, Hubbi Hikmatu Ilma, B. Airlangga, A. Syaifudin, Sumarno Sumarno
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引用次数: 0

摘要

聚甲基丙烯酸甲酯(PMMA)是一种丙烯酸材料,已被广泛用作义齿基托材料。义齿基托材料应在潮湿环境中表现出良好的机械性能和尺寸稳定性。添加羟基磷灰石(HAp)作为填充物,可提高义齿基托的机械性能。义齿基托复合材料的生产工艺包括采用悬浮聚合工艺合成聚甲基丙烯酸甲酯(PMMA)、处理羟基磷灰石填料、混合粉末和液体成分、成型和固化工艺。对 PMMA 产品进行表征的结果是,其平均粒径为 48.7 微米,无规共聚物占 39.5%,半规共聚物占 60.7%。在傅立叶变换红外光谱中,没有在 PMMA 产品中检测到杂质化合物。羟基磷灰石的拉伸强度值最高,为 6%,根据义齿基底 PMMA 标准,为 63.87 兆帕。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Effectiveness of Hydroxyapatite as a Filler in Denture Base Materials Based on Polymethyl Methacrylate to Improving Mechanical Properties
Poly (methyl methacrylate) or PMMA is an acrylic material has been used widely as a denture base material. The denture base materials should exhibit good mechanical properties and dimensional stability in moist environment. Hydroxyapatite (HAp) as a filler is added to improve the mechanical properties of the denture base. Process for the manufacture of denture base composites consists of a synthesis of polymethyl methacrylate (PMMA) with suspension polymerization process, treatment filler hydroxyapatite, mixing component powder and liquid, molding and curing process. hydroxyapatite concentrations used were 0%, 1.5%, 3%, 4.5%, 6%, 7.5% and 9%. Characterization of PMMA product resulted an average particle size of 48.7 microns, dominant percentage of taxicity in atactic 39.5% and syndiotactic 60.7%. In the FTIR spectra, no impurity compounds were detected in PMMA products. The highest tensile strength value was found in hydroxyapatite which contained 6%, which was 63.87 MPa according to the PMMA standard for denture base.
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