Yeni Nesil Bulk-Fill Kompozitlerin Yüzey Pürüzlülüğü ve Mikro Sertliğinin Değerlendirilmesi

Q3 Dentistry Cumhuriyet Dental Journal Pub Date : 2023-06-23 DOI:10.7126/cumudj.1233995

Zehra SÜSGÜN YILDIRIM, Ezgi Sonkaya, Zeliha Gonca BEK KÜRKLÜ

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Abstract

Objectives: The main objective of the study was to evaluate and compared the surface roughness and microhardness of three bulk-fill (ACTIVA Bioactive Restorative, SonicFill 2 SingleFill and SDR Flow Plus) and one conventional (G-aenial Posterior) composite resin at different depths. Materials and Methods: Eighty disc-shaped composite resins (6mm diameter, 2mm height) were polymerized as recommended and then subjected to the appropriate finishing and polishing procedure. Transparent strips were placed between the samples before polymerization to evaluate the hardness at different depths (0-2mm and 2-4mm) of the bulk-fill composites. Microhardness was evaluated with a Vickers hardness tester and roughness was evaluated with an optical profilometer. The ANOVA and Tukey multiple comparisons were performed for the statistical evaluation of microhardness and ANOVA was performed for roughness. Results: No statistically significant difference was determined between the composite materials in respect of surface roughness (p=0.336). It was generally observed that as the layer thickness increased in all the materials, the hardness values decreased (p

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目的:本研究的主要目的是评估和比较三种填充体(ACTIVA Bioactive Restorative, SonicFill 2 SingleFill和SDR Flow Plus)和一种常规(G-aenial Posterior)复合树脂在不同深度下的表面粗糙度和显微硬度。材料和方法:80个圆盘状复合树脂(直径6mm，高度2mm)按照推荐聚合，然后进行适当的整理和抛光程序。聚合前在样品之间放置透明条，以评估块体填充复合材料在不同深度(0-2mm和2-4mm)下的硬度。显微硬度用维氏硬度计评估，粗糙度用光学轮廓仪评估。显微硬度的统计评价采用方差分析和Tukey多重比较，粗糙度的统计评价采用方差分析。结果:复合材料表面粗糙度差异无统计学意义(p=0.336)。一般观察到，随着层厚的增加，所有材料的硬度值都降低(p

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