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光正牙粘合剂与APTES修改的ZnO量子点:结合强度,细胞兼容性和临床可行性

Jiarong Yan¹, Heng Sun¹, Zongshuai Liu¹

¹State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration, Key Laboratory of Oral Biomedicine Ministry of Education, Hubei Key Laboratory of Stomatology, School & Hospital of Stomatology, Wuhan University, Wuhan, China.

Orthodontics & craniofacial research

|April 9, 2025

概括

一种新的光正粘合剂是使用3-aminopropyltriethoxysilane (APTES) 修改的ZnO量子点 (A-ZnOQDs) 开发出来的. 4重%的A-ZnOQDs配方表现出可靠的结合强度,质性质和细胞相容性,使其能够有效地去除.

科学领域:

生物材料科学生物材料科学
牙正材料工程牙正材料工程
在牙科的纳米技术.

背景情况:

光正牙粘合剂的开发对于改善临床可视化和处理至关重要.
纳入功能纳米颗粒可以增强粘合性质.

研究的目的:

创建一个光正粘合剂,通过结合3-aminopropyltriethoxysilane (APTES) 修改的ZnO量子点 (A-ZnOQDs).
评估开发的光合剂的结合强度,质性质,细胞相容性和去除性能.

主要方法:

用APTES修改了ZnO量子点 (ZnOQDs),并将其混合到商业正牙粘合剂中,度各不相同 (0,2,4,6%).
评估了切割键强度 (SBS),风湿性质 (动态切割风湿计) 和细胞相容性 (CCK-8试验).
在头部模拟器上进行了支架粘合/解粘合模拟,以评估粘合剂去除效率.

主要成果:

在所有组中都没有观察到SBS的显著差异 (p > 0.05).
2%和4%的A-ZnOQDs组的风湿性质与对照组非常相匹配.
细胞相容性测试显示,0%,2%和4%组的细胞活力没有显著差异 (p > 0.05).
4%的A-ZnOQDs组在解后显示出减少了多余和残留的粘合面积 (p < 0.05).

结论:

成功开发了一种含有4重%A-ZnOQDs的光正粘合剂.
这种配方保持了可靠的剪接强度,有利的质特性和良好的细胞兼容性.
光粘合剂表现出高效的识别和去除,提供临床优势.

关键词:

光是一种光.纳米颗粒是一种纳米粒子.ортодонтические粘合剂 ортодонтические粘合剂量子点是一个量子点.类风病学类风病学类风病学

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Aryldiazonium Salts to Azo Dyes: Diazo Coupling

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The reaction of weakly electrophilic aryldiazonium (also called arenediazonium) salts with highly activated aromatic compounds leads to the formation of products with an —N=N— link, called an azo linkage. This reaction, presented in Figure 1, is known as diazo coupling and occurs without the loss of the nitrogen atoms of the aryldiazonium salt. Highly activated aromatic compounds such as phenols or arylamines favor the diazo coupling reaction. The coupling generally occurs at the para position.