3-甲基丙烯酰氧基丙基三甲氧基硅烷与乙烯基三异丙氧基硅烷的混合物以及异氰脲酸三（3-三甲氧基甲硅烷基丙基）酯对复合树脂与钛金属之间剪切粘结强度的影响。

The effect of a 3-methacryloxypropyltrimethoxysilane and vinyltriisopropoxysilane blend and tris(3-trimethoxysilylpropyl)isocyanurate on the shear bond strength of composite resin to titanium metal.

作者信息

Matinlinna Jukka P, Ozcan Mutlu, Lassila Lippo V J, Vallittu Pekka K

机构信息

Department of Prosthetic Dentistry and Biomaterials Research, Institute of Dentistry, University of Turku, Lemminkäisenkatu 2, 20520, Finland.

出版信息

Dent Mater. 2004 Nov;20(9):804-13. doi: 10.1016/j.dental.2003.10.009.

DOI:10.1016/j.dental.2003.10.009

PMID:15451235

Abstract

OBJECTIVES

The aim of this study was to evaluate the reactions of silanes prior to attaching the composite to titanium and evaluate these silanes as coupling agents. Veneered titanium may be used as a prosthetic material.

METHODS

Two silane solutions, a mixture of both gamma-methacryloxypropyltrimethoxysilane and vinyltriisopropoxysilane, and tris(3-trimethoxysilylpropyl)isocyanurate were prepared as 2 wt% in two different (95% 2-propanol and 90% acetone) solutions. A control, 2 wt% gamma-methacryloxypropyltrimethoxysilane was prepared in both solutions. These six silane solutions were applied onto flat titanium surfaces. The samples (N = 250) were divided into two main groups: air-dried (room temperature) and heat cured for 1 h at 110 degrees C. Sinfony veneering composite was applied and light-cured on the titanium. The control group was non-silanized. The specimens were assigned to two subgroups: not thermocycled, and thermocycled (5000 cycles, 5-55 degrees C). Shear bond strength of the composite was tested at a crosshead speed of 1.0 mm min(-1). Fresh silane solution hydrolysis, and condensation reaction on titanium surface were monitored by FTIR spectrometry.

RESULTS

Dry samples could be successfully tested, while thermocycling after 3700 cycles had gradually de-bonded the composite from the silanized titanium substrate. For dry samples, statistical analysis (ANOVA) showed that solvent and silane significantly affected the shear bond strength. The silane mixture in 2-propanol reacted at room temperature yielded 11.3 MPa (Standard deviation, SD, 3.6 MPa) and on the other hand, tris(3-trimethoxysilylpropyl)isocyanurate in 2-propanol yielded 10.7 MPa (SD 8.0 MPa) and gamma-methacryloxypropyltrimethoxysilane 20.4 MPa (SD 12.2 MPa). Non-silanized samples yielded 4.8 MPa (SD 2.1 MPa).

SIGNIFICANCE

In all solvents used, silanes reacted chemically with the titanium surface and covalent Si-O-Ti- and -Si-O-Si- bonds were evident.

摘要

目的

本研究旨在评估复合树脂与钛结合前硅烷的反应，并将这些硅烷作为偶联剂进行评估。烤瓷钛可作为一种修复材料。

方法

制备两种硅烷溶液，一种是γ-甲基丙烯酰氧基丙基三甲氧基硅烷和乙烯基三异丙氧基硅烷的混合物，另一种是三（3-三甲氧基硅基丙基）异氰脲酸酯，在两种不同的溶液（95%异丙醇和90%丙酮）中配制成2 wt%的溶液。在两种溶液中均制备对照溶液，即2 wt%的γ-甲基丙烯酰氧基丙基三甲氧基硅烷。将这六种硅烷溶液涂覆在平整的钛表面。样本（N = 250）分为两个主要组：空气干燥（室温）组和在110℃下热固化1小时组。将Sinfony烤瓷复合树脂涂覆在钛上并进行光固化。对照组未进行硅烷化处理。将标本分为两个亚组：未进行热循环组和热循环组（5000次循环，5 - 55℃）。以1.0 mm min⁻¹的十字头速度测试复合树脂的剪切粘结强度。通过傅里叶变换红外光谱法监测新鲜硅烷溶液在钛表面的水解和缩合反应。

结果

干燥样本能够成功进行测试，而在3700次循环后进行热循环会使复合树脂逐渐从硅烷化钛基底上脱粘。对于干燥样本，统计分析（方差分析）表明溶剂和硅烷对剪切粘结强度有显著影响。在异丙醇中室温反应的硅烷混合物产生的剪切粘结强度为11.3 MPa（标准差，SD，3.6 MPa），另一方面，在异丙醇中的三（3-三甲氧基硅基丙基）异氰脲酸酯产生的剪切粘结强度为10.7 MPa（SD 8.0 MPa），γ-甲基丙烯酰氧基丙基三甲氧基硅烷产生的剪切粘结强度为20.4 MPa（SD 12.2 MPa）。未进行硅烷化处理的样本产生的剪切粘结强度为4.8 MPa（SD 2.1 MPa）。