对不同制造的假牙基材的表面粗度的评估
Leah N Anderson1, Tariq Alsahafi2, Wendy A Clark3
1Graduate student, Graduate Prosthodontics, Division of Comprehensive Oral Health, Adams School of Dentistry, University of North Carolina at Chapel Hill, Chapel Hill, NC.
The Journal of prosthetic dentistry
|September 18, 2023
概括
制造技术显著影响假牙基材料表面粗度. 注塑成型产生了最光滑的表面,而一些增材制造方法导致更高的粗度,影响假牙质量.
科学领域:
- 牙科材料科学 牙科材料科学
- 生物材料工程是生物材料的工程.
- 牙修复 牙修复 牙修复 牙修复 牙修复
背景情况:
- 随着CAD-CAM假牙的兴起,人们需要了解新的材料特性.
- 关于CAD-CAM与传统假牙制造方法的表面特征的比较数据有限.
研究的目的:
- 为了比较使用不同的制造技术制造的假牙基材的表面粗度 (Ra).
- 确定制造方法是否影响现代假牙材料的表面特性.
主要方法:
- 使用压缩成型,注塑成型,CNC削和三种增材制造系统制造了六种假牙基材.
- 使用激光共聚焦显微镜测量表面粗度 (Ra),并根据ISO 4287标准进行分析.
- 进行了统计分析 (ANOVA,Tukey测试),以比较组之间的粗度值.
主要成果:
- 与所有其他组合相比,Dentca Denture Base II的增材制造显示了明显更高的表面粗度 (Ra).
- 弗莱克塞拉基 (增材制造) 呈现出高于注射成型的Ra.
- 在压缩成型,CNC削和其他经过测试的增材制造材料中,没有发现Ra的显著差异.
结论:
- 牙膏基材制造方法显著影响表面粗度 (Ra).
- 注塑成型在测试的技术中产生了最光滑的表面.
- 增材制造和CNC磨材料可能与注射成型材料相比具有不同的表面特性.
更多相关视频
05:30Roughness Impact of Piezoelectric Dental Scaler on Two Distinct Flowable Composite Filling Materials
Published on: January 10, 2025
663
07:42Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
421
相关概念视频
01:14Wood Surfacing
113
Wood surfacing is a critical finishing process designed to smoothen the wood surface, enhance its dimensional accuracy, and make handling safer. This process compensates for potential shrinkage during the seasoning phase by marginally increasing the wood dimensions before surfacing. It also helps correct some distortions that may occur as the wood dries.
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
The equipment used in the surfacing process is a plane equipped with rotating blades. This tool efficiently smoothens the wood surface and can...
113
01:26Assessment of the Mouth
243
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
243