渗透树脂和生物活性玻璃修复早期釉质龋的研究

doi:10.13701/j.cnki.kqyxyj.2019.05.010

摘要/Abstract

摘要： 目的: 研究渗透树脂和生物活性玻璃联合应用对早期釉质龋的修复效果,为治疗早期釉质龋提供理论基础。方法: 将离体人牙样本制成人工龋模型后随机分为5组并处理4周:A组(渗透树脂组)、B组(6%生物活性玻璃组)、C组(渗透树脂+0.1%氟化钠组)、D组(渗透树脂+6%生物活性玻璃组)和E组(空白对照组)。各组于脱矿前后、处理后进行扫描电镜观察和表面显微硬度测量。结果: 扫描电镜观察各组处理4周后A~D组较脱矿后表面孔隙明显减少,其中D组表面平滑度最好。各组样本处理前后的表面显微硬度差值:D组＞C组＞A组＞B组＞E组,除A组与B组外,其余各组间均有统计学差异。结论: 渗透树脂和生物活性玻璃联合作用可有效修复早期釉质龋。

关键词: 渗透树脂, 生物活性玻璃, 早期釉质龋, 显微硬度, 扫描电镜

Abstract: Objective: To study the effects of combined application of rein infiltration and bioactive glass on enamel caries. Method: 51 extracted human teeth prepared as artificial incipient enamel caries were randomly divided into 5 groups. They were treated with resin infiltration (group A), 0.6% bioactive glass (group B), 0.1% sodium fluoride solution (group C), 0.6% bioactive glass solution (group D), and blank control group (E group) for 4 weeks. Scanning electron microscope observation and surface microhardness measure were made before and after demineralization. Result: SEM observation showed that the surface porosity of A-D group was significantly reduced after 4 weeks treatment, and surface smoothness of group D was the best. After treatment, the values of ΔSMH1 ranged from large to small in the order of D, C, A, B, E. There was significant difference in the ΔSMH1 values between groups except group A and group B. Conclusion: The resin infiltration combined with bioactive glass could effectively repair early enamel caries.

Key words: Resin infiltration, Bioactive glass, Early enamel caries, Microhardness, Scanning electron, microscope

代建梅, 李奉华, 邱喜丽, 董新. 渗透树脂和生物活性玻璃修复早期釉质龋的研究[J]. 口腔医学研究, 2019, 35(5): 453-456.

DAI Jian-mei, LI Feng-hua, Qiu Xi-li, DONG Xin. Effects of Rein Infiltration and Bioactive Glass on Early Caries.[J]. Journal of Oral Science Research, 2019, 35(5): 453-456.

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