酸性唾液对3D打印和研磨义齿基托材料单体浸出和表面粗糙度的影响

IF 1.1 4区工程技术 Q4 POLYMER SCIENCE

Polimery Pub Date : 2023-05-16 DOI:10.14314/polimery.2023.3.3

H. Al-Otaibi, Rafal Basaqer, S. Almania, A. Alfouzan, S. A. Al Taweel, H. Alshehri, N. Labban

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引用次数: 0

摘要

该研究评估了不同酸性唾液pH值对传统和CAD/CAM加工（铣削和3D打印）义齿基托材料的单体浸出和表面粗糙度的影响。使用高效液相色谱法测定在酸性唾液中浸泡30天后残留的甲基丙烯酸甲酯单体浸出量。使用非接触式光学轮廓仪记录培养前后的表面粗糙度（Ra）。测试材料的单体浸出率和表面粗糙度取决于唾液的pH值。无论处理方法如何，传统义齿框架材料在pH=4.5和pH=3.5时分别表现出最高和最低的浸出率。在CAD/CAM加工材料中，3D打印材料在pH=5.5和pH=3.5时分别表现出最高和最低的浸出率。无论pH值如何，孵育后的粗糙度对于传统材料是最低的，而对于3D打印是最高的。

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Effect of acidic saliva on monomer leaching and surface roughness of 3D-printed and milled denture-base materials

The study evaluated the effect of different acidic salivary pH values on monomer leaching and surface roughness of conventional and CAD/CAM processed (milled and 3D-printed) denture base materials. High-performance liquid chromatography was used to determine the quantity of residual methyl methacrylate monomer leaching after 30 days of immersion in acidic saliva. The surface roughness (Ra) before and after incubation was recorded using a non-contact optical profilometer. The monomer leaching and the surface roughness of the tested materials depended on the pH value of the saliva. The conventional denture framework material exhibited the highest and lowest leaching rates at pH=4.5 and pH=3.5, respectively, regardless of the treatment method. Among the CAD/CAM processed materials, the 3D-printed material showed the highest and lowest leaching at pH=5.5 and pH=3.5, respectively. Regardless of the pH, roughness after incubation was the lowest for conventional materials, and the highest for 3D printing.

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来源期刊

Polimery Materials Science-Polymers and Plastics

CiteScore

2.90

自引率

6.20%

发文量

审稿时长

1 months

期刊介绍： The "Polimery" journal, of international circulation, is publishing peerreviewed scientific and technical research papers covering polymer science and technology in the field of polymers, rubbers, chemical fibres and paints. The range of topics covered are raw materials, polymer synthesis, processing and applications of polymers. Apart from scientific and technical research papers the monthly includes technical and commercial information such as reports from fairs and exhibitions as well as home, world and technical news. “Polimery "- an international journal covering the following topics: polymers, rubber, chemical fibres and paints. The Journal is addressed to scientists, managers and engineering staff of universities, Polish Academy of Sciences, R&D institutions, industry, specializing in polymer chemistry, physical chemistry, technology and processing. “Polimery” publishes original, reviewed research, scientific and technology papers in the field of polymer synthesis, analysis, technology and modification, processing, properties, applications and recycling.