相关实验视频

Updated: Jul 15, 2025

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

连线材料的结合强度与3D打印的临时皇冠树脂的结合强度

Jorge Palavicini¹, Sherrod L Quin², Wael Zakkour³

¹Department of Prosthodontics, Louisiana State University Health Science Center, School of Dentistry, New Orleans, LA 70119, USA.

|September 28, 2023

概括

3D打印的临时皇冠树脂的结合强度用不同的reline材料进行了评估. 对于两种经过测试的3D打印树脂来说,PMMA reline材料证明了临床上可接受的结合强度.

科学领域:

牙科材料科学牙科材料科学
生物材料工程生物材料工程
牙修复牙修复牙修复牙修复牙修复

背景情况:

3D打印的树脂正在出现,用于临时的牙科修复.
评估这些新材料与传统的连线剂的结合强度对于临床应用至关重要.

研究的目的:

为了比较两种3D打印树脂 (Envision Tech,NextDent C&B) 和三种reline材料 (复合树脂,Bis-acryl,PMMA) 之间的剪接强度 (SBS).
为了评估3D打印临时皇冠材料的粘合耐用性.

主要方法:

使用了两个3D打印树脂和一个常规的PMMA.
标本与复合树脂,Bis-acryl或PMMA连线材料结合在一起.
进行了切割键强度 (SBS) 测试和光显微镜进行故障分析.

主要成果:

当使用PMMA reline材料与两种3D打印树脂时,观察到SBS的最高值.
与PMMA相比,Bis-acrylic或复合树脂再线的结合强度明显较低 (p < 0.05).
在使用PMMA重线材料时,在3D打印树脂和PMMA对照材料之间没有发现键强度的显著差异 (p > 0.05).

结论:

经过测试的3D打印树脂在与PMMA重新结合时表现出临床上可接受的结合强度.
对于这些3D打印的临时皇冠树脂来说,PMMA似乎是一个合适的连线材料.

关键词:

在CAD/CAM技术的应用中.添加剂制造添加剂制造添加剂制造债券的强度债券的强度债券的强度牙科皇冠牙科皇冠牙科皇冠牙科材料牙科材料一个临时的皇冠.

更多相关视频

Impact of Fabrication Techniques and Polishing Procedures on Surface Roughness of Denture Base Resins

Impact of Fabrication Techniques and Polishing Procedures on Surface Roughness of Denture Base Resins

Published on: January 17, 2025

Stereolithographic 3D Printing with Renewable Acrylates

Stereolithographic 3D Printing with Renewable Acrylates

Published on: September 12, 2018

相关概念视频

Bonding and Strength of Aggregate

Bonding and Strength of Aggregate

The bond between aggregate particles and the cement matrix is significantly influenced by the shape and surface texture of the aggregates. High-strength concretes benefit from a rougher texture, which leads to stronger bonding due to greater adhesion. Angular aggregates with larger surface areas also enhance this bond. The bonding quality, however, is complex to assess as no universally accepted test exists. Good bonding is indicated when a crushed concrete specimen shows some aggregate...

Reinforcements in Concrete

Reinforcements in Concrete

Reinforced concrete is a composite material used extensively in construction, combining the compressive strength of concrete with the tensile strength of steel. This synergy is essential as concrete, while excellent at resisting compression, is weak under tension. Steel bars, or rebars, are embedded in the concrete to handle these tensile forces. The choice of steel is strategic; it shares a similar coefficient of thermal expansion with concrete, which ensures uniformity in response to...