不同浸泡环境对复合树脂颜色影响的研究

Study on the Influence of Different Immersion Environments on the Color of Composite Resins

摘要: 目的：研究不同浸泡环境和时间对不同品牌复合树脂修复体的影响。方法：制备多个同规格的3种品牌的树脂块，并将其浸泡于5种浸泡液中，得到15组样本。一定时间后分别测量各组样本的颜色、质量与体积，进行统计分析。结果：统计学分析表明，浸泡4天后，树脂块色差值(ΔE)即出现改变(p < 0.05)，浸泡10天后，ΔE出现较明显改变(p < 0.01)。浸泡环境与浸泡时间对各组树脂间的体积和质量均无显著性差异(p > 0.05)。3M唯美树脂和另外两种品牌树脂相比，ΔE有显著性差异(p < 0.001)。绿茶组、醋和小苏打水交替组ΔE分别与其他4组存在明显差异(p ≤ 0.001)。结论：绿茶、醋和小苏打水交替浸泡与时间会对复合树脂块的颜色变化(ΔE)产生明显影响。3M唯美树脂相较于其他两种树脂颜色变化稳定。

Abstract: Objective: To study the effects of different immersion environments and time on different brands of composite resin restorations. Methods: A number of resin blocks of 3 brands of the same specification were prepared and soaked in 5 kinds of soaking solutions to obtain 15 groups of samples. After a certain period of time, the color, mass and volume of each group of samples were measured separately for statistical analysis. Results: Statistical analysis showed that the color difference value (ΔE) of the resin block changed after 4 days of soaking (p < 0.05), and ΔE changed significantly after 10 days of soaking (p < 0.01). There was no significant difference in the volume and mass of the resin groups between the soaking environment and soaking time (p > 0.05). Compared with the other two brands of resins, there was a significant difference in ΔE between 3M Aesthetic Resin and the other two brands (p < 0.001). There were significant differences in ΔE between green tea group and vinegar and baking soda group and the other four groups (p ≤ 0.001). Conclusion: Alternating soaking time of green tea, vinegar and baking soda has a significant effect on the color change (ΔE) of composite resin blocks. 3M Aesthetic resins are more stable in color than the other two resins.