在表面处理的烯酸上,陶面板的断裂强度
Hiraku Onuma1,2, Masanao Inokoshi1, Kaiqi Xu1
1Department of Gerodontology and Oral Rehabilitation, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU).
Dental materials journal
|February 21, 2024
概括
表面处理,如研磨和喷砂,并没有显著影响陶涂装的断裂强度. 这项研究发现,在各种表面制备后,石牙科材料的双轴屈曲强度没有差异.
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 陶工程
背景情况:
- 在牙科中,嵌陶的陶修复被广泛使用,因为它们的美学和机械性能有利.
- 表面处理通常应用于土基板,以增强面板陶的粘合性.
- 了解这些治疗对双层系统骨折强度的影响,对于临床寿命至关重要.
研究的目的:
- 为了评估不同表面处理对陶涂料的断裂强度的影响.
- 研究这些处理引起的晶体学和表面粗度变化.
- 为了确定表面修改是否会影响修复的机械完整性.
主要方法:
- 准备了三个表面处理组:作为烧结,粉喷砂和磨砂.
- 结晶学和表面粗度分析在经过处理的石盘上进行.
- 涂装陶被应用,并进行双轴屈曲强度测试以测量骨折强度.
主要成果:
- 研磨和喷砂处理增加了单形和圆形石阶段.
- 地面标本显示出较高的表面粗度,与喷砂标本相比.
- 韦布尔分析表明,在所有治疗组中,双轴屈曲强度没有统计学上显著的差异.
结论:
- 研究的表面处理方法 (如烧结,喷砂,磨砂) 不会对陶涂装的断裂强度产生不利影响.
- 这些表面处理的临床应用不太可能损害基于的牙科修复的机械可靠性.
- 进一步的研究可以在各种口服条件下探索长期耐用性和结合强度.
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