不同的陶材料和牙密封的不同陶材料和牙密封的作用,对闭合面板的粘合强度和抗破裂的阻力
Dina Mohamed Nasr1, Rewaa Gaber AboElHassan2
1Operative Dentistry, Conservative Dentistry Department, Faculty of Dentistry, Alexandria University, Alexandria, Egypt. dina.nasr.dent@alexu.edu.eg.
BMC oral health
|February 5, 2025
概括
与延迟牙密封 (DDS) 相比,即时牙密封 (IDS) 显著提高了陶密封 Veneers 的粘合强度. 这种改进取决于材料,并不会影响抗断性能.
科学领域:
- 牙科材料科学 牙科材料科学
- 恢复性牙科 恢复性牙科
- 生物材料工程 生物材料工程
背景情况:
- 立即牙密封 (IDS) 与延迟牙密封 (DDS) 对各种陶密封面恢复的粘合强度和断裂抵抗的比较效应仍然未得到充分研究.
- 对制剂表面积的数字定量能够准确计算实际的结合强度,而牙密封策略可能会影响恢复骨折阻力.
研究的目的:
- 调查不同牙密封策略 (IDS与DDS) 和各种修复性陶材料对闭合面修复的解力,结合强度和断裂抵抗的影响.
主要方法:
- 六十四个人类下牙被准备用于由二酸盐 (LS),烯增强烯酸盐 (ZLS),高半透明烯 (HZ) 和树脂纳米陶 (LU) 制造的闭合面板.
- 每个材料组分为IDS或DDS应用 (n=8个子组).
- 通过使用通用测试机来评估结合强度和断裂阻力,通过双向ANOVA分析数据,然后通过单向ANOVA和后期测试进行分析.
主要成果:
- 在不同的材料和牙密封策略中观察到解力和键强度的显著差异.
- 与延迟牙密封 (DDS) 相比,即时牙密封 (IDS) 导致更高的解结力和结合强度 (p < 0.001).
- 材料选择显著影响了粘合强度 (LS > ZLS > HZ > LU) 和抗破裂性 (所有材料> LU). 登丁密封没有显著影响骨折抵抗.
结论:
- 立即的牙密封增强了陶闭塞 Veneers 的解力和粘合强度,改进取决于材料.
- 测试的陶材料表现出足够的强度,可以承受后牙修复典型的闭塞和侧面力.
- 登丁密封策略并没有显著影响评估的闭塞面膜修复的骨折阻力.
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