化时间对酸盐基材料的结合强度和微硬度的影响
Emine Şimşek1, Makbule Bilge Akbulut2
1Department of Endodontics, Mersin University, Faculty of Dentistry, Mersin, Turkey.
概括
在化1天和28天后,Biodentine在测试的基于酸盐的材料 (包括MTA-Angelus和BIOfactor MTA) 中显示出最佳的推出键强度和微硬度. 生物因子MTA的表现适度.
科学领域:
- 生物材料科学 生物材料科学
- 牙科材料科学 牙科材料科学
- 牙周内科医院 牙周内科医院 牙周内科医院
背景情况:
- 基于酸的材料广泛用于内牙治疗.
- 评估它们的长期稳定性和机械性能对于临床成功至关重要.
- 潜伏期可以影响牙科材料的物理和机械特性.
研究的目的:
- 评估不同化期 (1天和28天) 对三种基于酸盐的材料的推出键强度和微硬度的影响.
- 在不同的时间条件下比较MTA-Angelus,Biodentine和BIOfactor MTA的性能.
主要方法:
- 推出键强度测试在100个牙盘上进行,用测试材料填充空腔.
- 维克斯微硬度测试对26个材料盘进行了测试.
- 样品在测试前在37°C化1天或28天.
主要成果:
- 与MTA-Angelus和BIOfactor MTA相比,Biodentine在两个时间点 (p <0.05) 显示出明显更高的推出键强度和微硬度.
- MTA-Angelus表现出最低的结合强度和微硬度.
- 生物因子MTA在债券强度和微硬度方面显示出有希望的,但适度的结果.
结论:
- 生物牙表现出优越的推出键强度和微硬度,表明随着时间的推移更好的稳定性和机械完整性.
- 生物因子MTA提供了一个可行的替代品,具有中等的性能,而MTA-Angelus显示了最不有利的结果.
- 化期影响机械性能,较长的时间可能允许材料成熟.
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