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Updated: Jan 13, 2026

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

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Published on: December 20, 2024

加速布鲁克西斯模拟疲劳测试的闭塞 Veneers 的疲劳测试

Hadiel Zamzam¹, Amani Moussa², Maged Zohdy³

¹Fixed Prosthodontic Department, Suez University, Egypt.

Journal of the mechanical behavior of biomedical materials

|October 28, 2025

概括

这项研究比较了三种计算机辅助设计/计算机辅助制造 (CAD/CAM) 牙科材料的疲劳性能. 石在条件下表现出优越的强度,而混合陶在正常的负载下提供了更高的可靠性.

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
恢复性牙科恢复性牙科

背景情况:

计算机辅助设计/计算机辅助制造 (CAD/CAM) 材料越来越多地用于牙科修复.
闭口 Veneers 用于恢复牙结构和功能.
了解这些材料在各种负载条件下的疲劳行为对于临床成功至关重要.

研究的目的:

为了评估和比较三种CAD/CAM修复材料的疲劳性能,用于封闭 Veneers.
分析脱酸盐,混合陶和半透明的故障模式和可靠性,在模拟的生理和布鲁克斯负载下.

主要方法:

制造了30个封闭面板 (每种材料n=10个:IPS e.max CAD,Vita Enamic,Bruxzir).
标本经历了30万次模拟的周期,随后循环横向负载到故障.
使用单向ANOVA和Tukey测试分析了故障负载,并对可靠性进行了韦布尔分析.

主要成果:

所有材料都经过了模拟;然而,在循环横向负荷下,所有材料都失败了.
与二氧化和混合陶相比,半透明石在故障时表现出明显更高的平均负载.
混合陶展示了最高的韦布尔模量,表明在正常负载下更高的疲劳可靠性.

结论:

混合陶可以在正常的闭塞负荷下为闭塞面板提供更高的疲劳可靠性.
半透明石在沉重的闭塞负荷下提供了优越的疲劳性能,例如在布鲁克斯过程中经历的负荷.

关键词:

布鲁克斯主义布鲁克斯主义在CAD/CAM中使用.疲劳疲劳疲劳疲劳疲劳封闭式 Veneers 是一个封闭式.维布尔统计数据维布尔统计数据

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