不同树脂基水泥的结合强度与3D打印永久修复的结合强度
Engin Kariper1, Aylin Cilingir1
1Department of Restorative Dentistry, Faculty of Dentistry Trakya University, Edirne, Turkey.
American journal of dentistry
|February 25, 2025
概括
与Panavia F2.0 (PF) 相比,G-Cem One (GCO) 在3D打印的修复中显示出更高的剪接强度. 热循环没有显著影响 GCO 债券强度,而 PF 债券强度随着循环减少.
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
- 粘合式牙科 粘合式牙科
背景情况:
- 3D打印为牙科修复提供了新的可能性.
- 评估这些恢复的长期稳定性和债券强度至关重要.
- 粘合水泥在将修复物粘合到牙结构中发挥着至关重要的作用.
研究的目的:
- 在3D打印的牙科修复中评估和比较不同原料粘合水泥系统的剪接粘合强度 (SBS).
- 研究热循环对这些系统的结合强度的影响.
主要方法:
- 测试了72个3D打印的修复和纳米混合复合树脂气.
- 使用了两个基础/水泥系统:G-Multi Primer (GMP) 与G-Cem One (GCO) 以及Clearfil陶基础加 (CCP) 与Panavia F2.0 (PF).
- 小组在剪接键强度测试之前经历了0,5,000或10,000个热循环,分析了故障模式和表面形态.
主要成果:
- 在3D打印的修复中,G-Cem One (GCO) 的SBS明显高于Panavia F2.0 (PF).
- 在热循环子组中,GCO债券强度保持一致.
- 帕纳维亚F2.0 (PF) 显示在热循环后SBS显著下降,在5,000和10,000个循环之间没有差异.
结论:
- 与Panavia F2.0 (PF) 相比,G-Cem One (GCO) 在3D打印的修复中表现出优越的粘合性能.
- 在热应力下,GCO提供可靠的结合强度稳定性,使其成为3D打印修复的有希望的选择.
- 这些发现支持GCO作为一种潜在的更耐用的粘合剂解决方案,用于新的3D打印牙假体.
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