添加剂制造的树脂的机械性能和可靠性与商用陶复合材料缩物相结合
Gabriela Panca Sabatini1, Hyung-In Yoon2, Gülce Çakmak3
1PhD student, Department of Prosthodontics, School of Dentistry, University of São Paulo (USP), São Paulo, Brazil; and Buser Implant Foundation Scholar, Department of Reconstructive Dentistry and Gerodontology, School of Dental Medicine, University of Bern, Bern, Switzerland.
The Journal of prosthetic dentistry
|February 14, 2025
概括
将陶复合材料缩剂添加到牙树脂中,用于增材制造,显著提高了曲强度和断裂性. 这种用陶增强的树脂对牙科应用有前途,尽管其硬度与临时使用材料相比.
科学领域:
- 牙科材料科学 牙科材料科学
- 添加剂制造 添加剂制造 添加剂制造
- 生物材料工程 生物材料工程
背景情况:
- 一种新的陶复合材料缩剂可用于增强增材制造树脂.
- 它对牙树脂的机械性能的影响在很大程度上是未知的.
- 这项研究调查了这种陶添加剂的有效性.
研究的目的:
- 评估牙树脂的机械性能和可靠性,用于增材制造.
- 为了评估加入商业陶复合材料缩剂的效果.
- 这项体外研究旨在提供材料性能数据.
主要方法:
- 增材制造被用来制造来自四种树脂类型的标本:未填充的最终 (AM-D),填充的最终 (AM-DC),未填充的临时 (AM-I) 和陶增强的临时 (AM-IR).
- AM-IR树脂是通过将30%重量%的陶缩物与70%重量%的AM-I树脂混合而制备的.
- 柔性强度,维克尔硬度和断裂性被测量,以及韦布尔分析.
主要成果:
- 树脂类型显著影响了所有测试的机械性能 (P<.001).
- 用陶增强的树脂 (AM-IR) 和最终的复合树脂 (AM-DC) 呈现出优越的屈曲强度.
- AM-IR显示出最高的断裂性和韦布尔模量,而AM-DC具有最高的特征强度和维克尔硬度.
结论:
- 陶复合材料缩剂显著提高了增材制造树脂的屈曲强度和断裂性.
- 改性树脂 (AM-IR) 的屈曲强度与最终使用的材料相比较.
- 虽然断裂性和可靠性得到改善,但维克尔硬度仍然与临时使用树脂相似.
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