在各种牙模型中,通过修改的更新MI配方形成树脂标签
Nabih Alkhouri1, Wendy Xia1, Paul Ashley2
1Department of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, United Kingdom.
Frontiers in oral health
|July 1, 2024
概括
聚氨酸 (PLS),单酸 (MCP),4-甲烯酸氧乙烯三化无水化物 (4META),聚烯糖醇二甲酸 (PPGDMA) 和低粉-液比 (PLR) 在修复材料中增强了树脂标签的形成. 这有助于改善非矿物化牙的密封.
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
- 粘附科学 粘附科学 粘附科学
背景情况:
- 脱矿牙的有效密封对于牙科修复的长寿至关重要.
- 了解修复材料和牙之间的相互作用是提高粘合性能的关键.
研究的目的:
- 为了确定更新MI修复材料中的特定组件,以增强树脂标签的形成.
- 阐明聚氨酸 (PLS),单酸 (MCP),粉与液比 (PLR),4-甲基烯酸氧乙烯三化无水化物 (4META) 和聚烯基醇二甲基烯酸盐 (PPGDMA) 在这个过程中的作用.
主要方法:
- 在不同的配方中测试了PLS,MCP,4META和PPGDMA的不同度.
- 粉末与液体的比率 (PLR) 被调整为3:1或5:1.
- 人类牙盘被去矿化,用修复材料处理,并使用SEM/EDX分析树脂标签特征.
主要成果:
- 更新MI显示树脂标签>400微米,覆盖了粘附接口的62%.
- 实验配方显示树脂标签在200和400微米之间,覆盖范围从35%到84%.
- 降低PLS或MCP水平线性降低了覆盖率,4META的移除比PPGDMA的移除产生更大的影响.
结论:
- PLS,MCP,4META,PPGDMA和较低的PLR共同促进在更新MI中树脂标签的形成.
- 这些成分有助于改善恢复材料对去矿化牙的密封.
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