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The Effect of CAMBRA Recommended Anti-Caries Agents on Surface Roughness of Lithium Disilicate Ceramics.

机译：CAMBRA推荐的防龋剂对二硅酸锂陶瓷表面粗糙度的影响。

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摘要

Purpose: The purpose of this study was to explore the clinical importance of the effect of Prevident and chlorhexidine on the surface roughness of three commonly utilized lithium disilicate ceramics: pressed (Press), milled (CAD), milled and veneered with fluorapatite (CAD/CERAM).;Methods and Materials: Seventy-six rectangular specimens in each group of Press, CAD, and CAD/CERAM were fabricated. A profilometer was used to measure the surface roughness prior to and after soaking. The samples were immersed in the assigned anti-caries solution in an airtight plastic container. For the simulation of 2 years use the samples were soaked in chlorhexidine for 3 hours, Prevident, 6% alcohol and distilled water for 12 hours. Statistical analysis was completed using a two-way ANOVA followed by Tukey's HSD test. A p value ≤.05 was considered significant.;Results: The results demonstrated that Press samples became significantly rougher. In addition to that, the surface roughness of CAD and CAD/CERAM was significantly decreased. However, CAD was significantly less rough than CAD/CERAM. Water did not significantly change the surface roughness of ceramics, while 6% alcohol, Prevident, and chlorhexidine significantly decreased the roughness of the ceramics. There was no significant difference in the increase of surface smoothness among the three solutions. A significant interaction was found only with water, the control.;Conclusion: Within the limitations of this study, it can be concluded that Prevident and chlorhexidine can change the surface roughness of lithium disilicate ceramics when used for a period of 2 years. The surface roughness of Press increased, while that of CAD and CAD/CERAM decreased.
机译：目的：本研究的目的是探讨Prevident和洗必泰对三种常用的二硅酸锂陶瓷表面粗糙度的临床重要性：压制（Press），铣削（CAD），铣削和镶饰氟磷灰石（CAD /方法和材料：在每组Press，CAD和CAD / CERAM中制作了76个矩形样本。轮廓仪用于测量浸泡前后的表面粗糙度。将样品浸入密封的塑料容器中的防龋溶液中。为了模拟2年使用，将样品在洗必泰中浸泡3小时，在Prevident，6％酒精和蒸馏水中浸泡12小时。使用双向ANOVA和Tukey的HSD测试完成统计分析。 p值≤.05被认为是显着的。结果：结果表明Press样品​​变得更加粗糙。除此之外，CAD和CAD / CERAM的表面粗糙度显着降低。但是，CAD的粗糙程度明显低于CAD / CERAM。水不会显着改变陶瓷的表面粗糙度，而6％的酒精，Prevident和洗必泰会显着降低陶瓷的粗糙度。三种溶液之间的表面光滑度增加没有显着差异。结论：在本研究的范围内，可以得出结论，Prevident和洗必泰在使用2年后可以改变二硅酸锂陶瓷的表面粗糙度。压力机的表面粗糙度增加，而CAD和CAD / CERAM的表面粗糙度减小。

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  • 作者

    Ghunaim, Dima.;

  • 作者单位

    University of Maryland, Baltimore.;

  • 授予单位 University of Maryland, Baltimore.;
  • 学科 Dentistry.
  • 学位 M.S.
  • 年度 2014
  • 页码 71 p.
  • 总页数 71
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 地球物理学;
  • 关键词

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