在陶磨砂陶材料和 Veneered 牙科器之间评估粘合强度
Konstantinos Dimitriadis1, Dilshat U Tulyaganov2, Simeon Agathopoulos3
1Division of Dental Technology, Department of Biomedical Sciences, University of West Attica, Athens, Greece.
European journal of oral sciences
|April 29, 2024
概括
这项研究评估了两种带有陶 Veneer 的合金材料的粘合强度,证实两者都超过了临床使用的 ISO 9693 标准. 结果表明,对于牙科修复而言,结合强度令人满意.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程 生物材料工程
- 陶工程 陶工程
背景情况:
- 陶修复在牙科中被广泛使用,因为它们的美学和机械性能.
- 确保合金芯和陶 Veneer 之间的足够的粘合强度对于牙科修复的长寿至关重要.
- 标准化测试协议,如ISO 9693,对于评估这些材料系统的性能至关重要.
研究的目的:
- 评估和比较两种商业合金材料 (VITA YZ-HT 白色和Zolid HT+ 白色) 的粘合强度,这些材料被合金750贴面.
- 根据ISO 9693国际标准来评估结合强度.
- 根据它们的结合强度来确定这些合金/陶系统在临床应用中的适用性.
主要方法:
- 使用两种不同的商业石 (A组和B组) 和一种陶材料制造了50个石/陶涂层系统.
- 使用X射线衍射 (XRD) 和扫描电子显微镜 (SEM) 进行微结构分析.
- 机械性能,特别是结合强度,根据ISO 9693指导方针和常规协议使用三点曲试验进行了评估. 使用了韦布尔统计分析.
主要成果:
- 组A和组B的结合强度值分别为34.42 ± 7.60 MPa和31.92 ± 6.95 MPa.
- 甲组的中位强度 (σ50%) 为34.76 MPa,乙组为32.22 MPa;特征强度 (σ63.2%) 分别为35.78 MPa和33.14 MPa.
- 所有测试的结合强度值都明显超过了ISO 9693的20 MPa的最低要求,这表明结合强大.
结论:
- 两种VITA YZ-HT白色和Zolid HT+白色合金材料,当用Zirkonia 750进行贴面时,都表现出符合或超过ISO 9693标准的粘合强度.
- 经过测试的/陶系统具有令人满意的机械完整性和粘合强度,可在牙科修复中成功临床应用.
- 这些发现支持这些材料组合在固定假牙中可靠的临床性能.
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