Varnish XT和ICON渗透树脂治疗对釉质龋白斑颜色和硬度的影响

发布时间：2018-10-31 19:43

【摘要】：目的：研究Varnish XT和ICON渗透树脂两种微创治疗材料对釉质龋白斑颜色及釉质表面显微硬度的影响。方法：选择牛门齿100颗，将唇面向下作为观察面，环氧树脂包埋，打磨。暴露至少6mm×10mm的釉质牙面，分A，B，，C，D，E5个区，E区用抗酸指甲油封闭。并分别采用人工龋脱矿液后A区不做处理，B区经Varnish XT处理，C区经ICON渗透树脂处理，D区经氟化物处理后，用电子分光光度比色仪测量L*值，维氏硬度仪测量表面显微硬度值。结果：脱矿后样本A、B、C、D、E区的L*值有统计学差异（P0.05）,可以认为各组的L*值不同；B、C、D三区两两比较L*值均有统计学差异；B、C、D区经处理后与A区相比，L*值有统计学差异（P0.05）,其L*值均较A区降低，且L*值C区B区D区；C区的L*值与E区相比，无统计学差异（P0.05），尚不能认为两区的L*值不同。样本使用维氏硬度仪测量表面显微硬度值，脱矿样本经处理后A、B、C、D、E区的釉质表面显微硬度(SMH)值有统计学差异（P0.05），可认为各组间SMH值不同；经两两比较，C区与B区，C区与D区均有统计学差异（P0.05），可以认为C区与B区，C区与D区SMH值不同；B区的SMH值与D区相比，无统计学差异（P0.05）。结论：ICON渗透树脂和Varnish XT对龋白斑的颜色都有明显的改善，效果优于氟化物，且ICON渗透树脂效果优于Varnish XT；ICON渗透树脂、Varnish XT和氟化物对龋白斑的显微硬度都有明显的改善，ICON渗透树脂的改善较Varnish XT和氟化物明显，VarnishXT和氟化物之间无明显差别。
[Abstract]:Objective: to study the effect of Varnish XT and ICON osmotic resin on the color of enamel caries and the microhardness of enamel surface. Methods: 100 cattle incisors were selected, and the lower lip was used as the observation surface. Epoxy resin was embedded and polished. The enamel surfaces of at least 6mm 脳 10mm were exposed and divided into 5 areas of 6mm 脳 10mm, and the E region was blocked with acid-resistant nail polish. After artificial caries demineralization solution, zone A was not treated, area B was treated with Varnish XT, area C was treated with ICON resin, and area D was treated with fluoride. The values of L * were measured by electronic spectrophotometry. The surface microhardness was measured by Vickers hardness tester. Results: after demineralization, there were significant differences in L * values in the Acarinophane region (P0.05), which could be regarded as different L* values in each group, and there were statistical differences in the L* values in the three regions of BCU D and C (P 0.05), and there was no significant difference in the L* values between the two groups. After treatment, there was significant difference in L* value between the two regions (P0.05), and the L* values were lower than those in the A region, and the L* values in the C region were lower than those in the A region (P 0.05), and the L* values in the C region were lower than those in the A region. There was no statistical difference between C region and E region (P0.05), so the L* values of the two regions could not be considered to be different. The surface microhardness of samples was measured by Vickers hardness instrument, and the (SMH) values of enamel surface microhardness were significantly different among the demineralized samples after treatment (P0.05), and the SMH values of the demineralized samples were different. After pairwise comparison, C region and B region, C area and D region have statistical difference (P0.05), it can be considered that C region and B region, C area and D region SMH value is different; B area SMH value and D area, there is no statistical difference (P0.05). Conclusion: ICON osmotic resin and Varnish XT can improve the color of caries leukoplakia obviously, the effect is better than fluoride, and the effect of ICON permeation resin is better than that of Varnish XT;. The microhardness of caries leukoplakia was improved obviously by ICON permeation resin, Varnish XT and fluoride. The improvement of ICON permeation resin was more obvious than that of Varnish XT and fluoride. There was no significant difference between VarnishXT and fluoride.
【学位授予单位】：新疆医科大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：R781.1

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