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对热处理对用于CAD/CAM系统的不同陶材料的断裂阻力影响的比较研究

Andrea Ordoñez Balladares^1,2,3, Cristian Abad-Coronel^4,5, Joao Carlos Ramos⁶

¹Faculty of Dentistry, Universidad Bolivariana del Ecuador, Durán 092406, Ecuador.

Materials (Basel, Switzerland)

|March 28, 2024

概括

热处理可以提高CAD/CAM陶的断裂阻力 (FR). 晶体化CEREC Tessera (CCT) 显示出最高的FR和一致性,使其成为牙科修复的理想选择.

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
在CAD/CAM技术方面,

背景情况:

计算机辅助设计/计算机辅助制造 (CAD/CAM) 系统已经彻底改变了牙科修复.
陶材料在CAD/CAM中被广泛使用,因为它们的美学和生物相容性.
了解这些材料在热处理后的断裂阻力 (FR) 对临床寿命至关重要.

研究的目的:

评估热处理对CAD/CAM牙科应用中使用的各种陶材料的断裂阻力的影响.
为了比较结晶和未结晶的CEREC Tessera与其他CAD/CAM陶的FR.

主要方法:

80个单体修复用CAD/CAM系统进行了削.
五个小组进行了测试:结晶的CEREC Tessera (CCT),未结晶的CEREC Tessera (UCT),Emax-CAD (CEC),Vita Suprinity (CVS) 和Cameo (CC) 等.
对于每个组,测量了骨折阻力.

主要成果:

CCT,CC和CEC的平均FR超过了400N.
CVS和UCT显示较低的FR值 (分别为389.677N和343.212N).
CCT显示了最高的FR,具有显著的一致性,没有异常值.

结论:

由于其优越的FR和一致性,CEREC Tessera结晶 (CCT) 建议用于CAD/CAM系统.
虽然Cameo (CC) 也显示了高FR,但它的变化性建议谨慎.
热处理显著影响CAD/CAM陶材料的FR.

关键词:

在CAD/CAM材料.陶制品的陶制品是一种陶.结晶化结晶化的过程.机械特性机械特性属性属性属性属性热的影响热影响

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