烧砂大小对玻璃陶修复的边际适应的影响
Büşra Sümbül1, Anas Omer Abdelbagi Mohamed1, Muharrem Erhan Çömlekoğlu1
1Department of Prosthodontics, Faculty of Dentistry, Ege University, Izmir, Turkey.
概括
用精细的砂完成牙科制剂显著改善了CAD-CAM陶修复的边缘适应. 这种技术增强了脱酸盐冠的适应性,以获得更好的临床结果.
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
- 恢复性牙科 恢复性牙科
背景情况:
- 边际适应对于牙科修复的长寿至关重要.
- 计算机辅助设计和计算机辅助制造 (CAD-CAM) 提供精确的陶修复的制造.
- 优化牙准备技术可以进一步提高恢复的适应性.
研究的目的:
- 为了评估不同牙烧砂大小对二酸陶修复的边际适应的影响.
- 为了确定是否用细砂进行加工准备,与较粗的砂相比,改善了边缘适合.
- 评估CAD-CAM技术与优化准备完成相结合的有效性.
主要方法:
- 在实验室中使用50颗人类牙进行研究.
- 准备小组使用了不同大小的牙磨砂,包括用细砂磨砂磨砂 (红色带).
- 通过3D扫描,CAD软件和椅子边磨床,可以进行二酸盐修复.
- 通过立体显微镜和SEM进行边际差距分析;通过克鲁斯卡尔-瓦利斯和曼-惠特尼U测试进行统计分析.
主要成果:
- 在两组之间观察到边际适应的统计学上显著差异 (p < 0.05).
- 使用细砂 (红带) 完成加工的组显示出优异的边缘适应性.
- 在组内,不同表面 (口腔,面部,远部,部) 之间没有发现适合的显著差异.
结论:
- 用精的钻石钻孔完成牙准备,显著提高了CAD-CAM基酸盐修复的边际适应性.
- 这种优化的制备技术有可能改善临床结果.
- 该研究强调了完成方案在实现精确的陶修复方面的重要性.
关键词:
这是一个CAD-CAM系统.钻石子钻石子钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石钻石脱酸是一种离酸盐.这是一个边际差距.相关概念视频
Restorative Care
2.4K
Restorative care is provided once a patient has been discharged from a healthcare facility and requires additional services. The additional services include home care, rehabilitation programs, and extended care. Restorative care centers help the patient regain their previous level of functioning or acquire a new level of functioning due to the incapacitating effects of a disease or a disability. It aims to assist patients in enhancing their quality of life by encouraging independence,...
2.4K
The Looking Glass Self
371
The concept of the looking-glass self describes how an individual's self-concept is shaped by their perception of how others see them. This psychological theory, first introduced by sociologist Charles Horton Cooley in 1902, posits that self-identity emerges in a social context and is influenced by the judgments—real or imagined—of others.Research suggests that individuals frequently overestimate how positively others perceive them. This is particularly evident in physical...
371
Cell Size
128.9K
Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
Surface Area
Cells can take in nutrients and water via diffusion through the plasma membrane itself or through specific channels in the membrane. The area of the membrane surrounding...
128.9K
Margin of Error
7.6K
The margin of error is also called the maximum error of an estimate. The margin of error is the maximum possible or expected difference between the observed sample parameter value and the actual population parameter value. For proportion, it is the maximum difference between the value of sample proportion obtained from the data and the true value of population proportion. As the true value of the population parameter is not known, the margin of error is calculated using the sample statistic.
7.6K
Brick Sizes
343
Brick sizing plays a crucial role in construction, influencing both the aesthetics and structural integrity of buildings. Bricks are defined by three dimensions: width, thickness, and length. They are commonly designed to fit modular measurements, typically in multiples of 4 inches or 8 inches in width, to facilitate uniform construction and compatibility with other building materials.
Modular bricks are the most common type and are sized to include the mortar joint, which is essential for...
Modular bricks are the most common type and are sized to include the mortar joint, which is essential for...
343
Genome Size and the Evolution of New Genes
9.2K
While every living organism has a genome of some kind (be it RNA, or DNA), there is considerable variation in the sizes of these blueprints. One major factor that impacts genome size is whether the organism is prokaryotic or eukaryotic. In prokaryotes, the genome contains little to no non-coding sequence, such that genes are tightly clustered in groups or operons sequentially along the chromosome. Conversely, the genes in eukaryotes are punctuated by long stretches of non-coding sequence.
9.2K


