相关实验视频

Updated: Jun 15, 2025

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials

Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials

Published on: January 10, 2025

高填充可流动树脂复合材料的柔性特性,耐磨性和微观结构分析

P Francois¹, J P Attal², T Fasham³

¹Philippe Francois, DDS, Faculty of Dental Surgery, Innovative Dental Materials and Interfaces Research Unit (URB2i), Paris Cité University; Bretonneau Hospital, Paris, France.

Operative dentistry

|August 22, 2024

概括

高填充的浮性复合材料表现出良好的屈曲强度和耐磨性,通常表现优于粘性复合材料. 这些先进的牙科材料可能适合后部修复.

科学领域:

牙科材料科学牙科材料科学
聚合物化学聚合物化学
生物材料工程生物材料工程

背景情况:

浮性树脂复合材料广泛用于修复性牙科.
评估高度填充的可流动复合材料的机械性能和耐磨性对于临床应用至关重要.
了解微观结构特征有助于预测材料性能.

研究的目的:

评估九种高度填充的可流动树脂复合材料的曲性质和两体耐磨性.
为了比较这些特性与粘性和常规低填充的可流动复合材料.
使用扫描电子显微镜 (SEM) 分析微观结构特征.

主要方法:

用于屈曲强度,模量,性和韦布尔分析的样品条的制造.
两体磨损测试使用模拟器进行了12万次循环.
复合微结构的 SEM 分析.
使用单向ANOVA和Tukey的后期测试进行统计分析.

主要成果:

大多数高填充复合材料的屈曲强度在105.68MPa至135.49MPa之间.
与粘性类型相比,在高度填充的复合材料中观察到更高的耐磨性.
柔性模块范围从5.12 GPa到9.62 GPa,在粘性和低填充复合材料之间.

结论:

高填充的可流性复合材料在体外表现出各种各样的特性.
这些材料在关键的机械和耐磨性测试中往往优于粘性树脂复合材料.
这些发现表明,这些高度填充的复合材料在后牙修复中具有潜在的临床实用性.

更多相关视频

Author Spotlight: Enhancing Fiber Composite Laminate Quality with the Wet Hand Lay-Up/Vacuum Bag Process

Author Spotlight: Enhancing Fiber Composite Laminate Quality with the Wet Hand Lay-Up/Vacuum Bag Process

Published on: June 30, 2023

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material

Published on: December 20, 2024

相关概念视频

Fiber Reinforced Concrete

Fiber Reinforced Concrete

Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...

Flow Table Test

Flow Table Test

The flow table test is an established method used to assess the workability of concrete, particularly useful for evaluating highly flowable concrete mixes. This test employs an apparatus that consists of a wooden board topped with a steel plate, collectively weighing 35 pounds. The board is connected to a base via a hinge and measures 27.6 inches on each side.
Concrete is placed within a truncated cone mold that is 8 inches high with an 8-inch base diameter and a 5-inch top diameter. The...