牙科光固化复合树脂聚合收缩控制方法的研究进展

doi:10.13481/j.1671-587x.20200236

摘要/Abstract

摘要： 由于色泽逼真、操作简便和生物相容性良好等优点，牙科光固化复合树脂在口腔临床上得到了日益广泛的应用，但其固化过程中产生的体积收缩可造成边缘微渗漏，最终降低了充填体的使用寿命。国内外学者对光固化复合树脂聚合收缩的产生机制进行了深入的研究，从聚合收缩的影响因素出发，提出了一些控制光固化复合树脂聚合收缩的方法，这些方法考虑了光固化复合树脂各组成部分的改进，例如基质单体、增强填料的改善、固化光源和固化模式的选择及临床操作等各方面对聚合收缩的影响。现总结光固化复合树脂聚合收缩的产生机制，归纳环状单体、大分子单体以及双酚A-二甲基丙烯酸酯（Bis-GMA）衍生单体等新型基质单体对聚合收缩的补偿；总结无机填料的含量、结构和填料表面改性对聚合收缩的控制；分析不同固化光源和固化模式对聚合收缩的影响，以及分层充填技术和粘接剂的应用对光固化复合树脂聚合收缩的改善；介绍温度和湿度对复合树脂聚合收缩的影响，提出橡皮樟应用的必要性。

关键词: 牙科, 光固化复合树脂, 聚合收缩, 收缩应力

中图分类号:

R783.1

牛菊, 李迪, 赵文迪, 刘丹丹, 周泽瑛, 张静月, 刘晓秋. 牙科光固化复合树脂聚合收缩控制方法的研究进展[J]. 吉林大学学报(医学版), 2020, 46(02): 419-424.

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