Effect of the silane concentration on the selected properties of an experimental microfilled composite resin

IF 1.68 Q2 Dentistry

Applied Adhesion Science Pub Date : 2015-12-22 DOI:10.1186/s40563-015-0054-0

Cesar Henrique Zanchi, Fabrício Aulo Ogliari, Ricardo Marques e Silva, Rafael Guerra Lund, Heloisa Har Machado, Carlo Prati, Neftalí Lenin Villarreal Carreño, Evandro Piva

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引用次数: 22

Abstract

The aim of present study was evaluate the effect of different percentages of an organo-functionalized silane monomer as adhesion promoter between barium borosilicate glass fillers and (co)monomer blend in experimental dental composite resin. Gamma-methacryloxypropyltrimethoxysilane (γ-MPS) was assessed in an experimental luting cement, at the concentrations of 0, 1, 3, 5, 7 and 10 (wt%). The experimental resin without fillers was used as control group. The flexural strength (FS) and elastic modulus (E) were obtained by mini-flexural test and expressed in MPa and GPa, respectively. Water sorption (WS) and solubility (SL) were determined based on ISO standard 4049:2000. Kruskal–Wallis and Student–Newman–Keuls test were used for comparisons of FS, E and WS. The comparisons of SL means were performed using one-way ANOVA and Tukey’s method (α?=?5?%). The treatment with 3?% silane revealed statistically higher FS, while the group treated with 1?% silane showed statistically higher E than 3?% silane (p?<?0.05) and E similar to control. The experimental composite without filler content showed the highest SL (p?<?0.05) while the control composite showed the highest WS (p?<?0.05). Based on present findings, flexural strength and elastic modulus can sometimes be improved with lower concentrations (1–3?%) rather than higher concentrations (5–7?%) of the silane (γ-MPS) used as coupling agent on barium borosilicate glass filler microparticles of the dental composite resin.

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硅烷浓度对实验微填充复合树脂性能的影响

本研究的目的是评价不同比例的有机功能化硅烷单体作为粘接促进剂对硼硅钡玻璃填料和(co)单体共混物在牙科复合树脂中的粘接效果。γ-甲基丙烯氧基丙基三甲氧基硅烷(γ-MPS)在实验水泥中以0、1、3、5、7和10 (wt%)的浓度进行评估。不加填料的实验树脂作为对照组。抗弯强度(FS)和弹性模量(E)通过微弯试验得到，分别以MPa和GPa表示。吸水率(WS)和溶解度(SL)根据ISO标准4049:2000进行测定。FS、E、WS的比较采用Kruskal-Wallis检验和Student-Newman-Keuls检验。SL均值的比较采用单因素方差分析和Tukey方法(α?=?5?%)。治疗用3?%硅烷组FS高于1%硅烷组。%硅烷比3?%硅烷(p <?0.05)和E与对照组相似。未添加填料的试验复合材料SL最高(p < 0.05)，对照复合材料WS最高(p < 0.05)。基于目前的研究结果，偶联剂硅烷(γ-MPS)在低浓度(1 - 3%)而不是高浓度(5 - 7%)的硼硅钡玻璃填充剂微颗粒上有时可以提高牙科复合树脂的抗弯强度和弹性模量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Adhesion Science Dentistry-Dentistry (miscellaneous)

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Applied Adhesion Science focuses on practical applications of adhesives, with special emphasis in fields such as oil industry, aerospace and biomedicine. Topics related to the phenomena of adhesion and the application of adhesive materials are welcome, especially in biomedical areas such as adhesive dentistry. Both theoretical and experimental works are considered for publication. Applied Adhesion Science is a peer-reviewed open access journal published under the SpringerOpen brand. The journal''s open access policy offers a fast publication workflow whilst maintaining rigorous peer review process.