合金替代品:新型自粘材料对牙矿化变化的敏感性
Vasil Christoff1, Nicoleta Ilie1
1Department of Conservative Dentistry and Periodontology, Ludwig-Maximilians-University (LMU), University Hospital Munich, Goethestr. 70 80336 Munich, Bayern, Germany.
Journal of dentistry
|June 16, 2025
概括
强 (CF) 显示出与牙的最强的结合,不受去矿化或超矿化的影响. 索尔菲尔一号 (SO) 和埃基亚福特 (EF) 的债券强度受到去矿化的影响,SO在矿化变化中保持稳定.
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
- 粘合式牙科 粘合式牙科
背景情况:
- 牙修复材料必须与牙结构形成持久的纽带.
- 了解牙矿化如何影响结合强度对于材料选择至关重要.
- 正在开发创新材料来取代传统的合金填充物.
研究的目的:
- 在人工去矿化和超矿化条件下,评估三种新型牙科材料的剪切结合强度 (SBS).
- 为了比较树脂复合物 (Cention Forte),树脂修饰玻璃离子体 (Surefil One) 和高粘度玻璃离子体 (Equia Forte) 在人类牙上的性能.
- 评估这些材料在牙上具有不同矿化水平的长期结合可靠性.
主要方法:
- 准备了360个人类牙样本,并分为18个组.
- 材料被粘合到声音,去矿化或超矿化牙.
- 在SBS测试 (ISO 29,022) 和显微镜分析之前,样品在蒸水和人工唾液中进行了老化.
主要成果:
- 在所有牙基板和老化条件中,Cention Forte表现出最高的SBS.
- 埃基亚·福特在去矿化和高矿化牙上显示SBS减少.
- Surefil One的SBS没有受到牙矿化或老化的显著影响.
结论:
- Cention Forte提供优质和可靠的牙粘合,无论矿化状态如何.
- 脱矿化对Cention Forte和Equia Forte债券的强度产生了负面影响.
- 苏瑞菲尔一号表现出一致的结合强度,在超矿化牙上表现优于Equia Forte.
更多相关视频
07:04Confocal Time Lapse Imaging as an Efficient Method for the Cytocompatibility Evaluation of Dental Composites
Published on: November 9, 2014
13.7K
07:42Quasistatic Mechanical Testing for Computer-Aided Design and Manufacturing Occlusal Veneers Cemented to Milled Dentin Analog Material
Published on: December 20, 2024
469
相关概念视频
Masking and Demasking Agents
EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
There are many masking agents, such as cyanide, fluoride, triethanolamine, thiourea, and 2,3-bis(sulfanyl)propan-1-ol (formerly 2,3-dimercapto-1-propanol), with the masking agent chosen based on the metal...
Complexometric Titration: Ligands
Different monodentate and polydentate ligands are used as complexing agents in complexometric titration reactions. The formation of complexes by mono- and bidentate ligands involves two or more intermediate steps, limiting their use as complexing agents. In comparison, polydentate ligands can form complexes with metal ions in a single-step process, facilitating sharper end points. This means polydentate ligands, such as amino carboxylic acid derivatives, are most commonly employed in...
Tooth Anatomy
The human tooth enables us to eat a variety of foods, speak clearly, and even aid in shaping our faces. Teeth are composed of various elements that work together. Here's a detailed look at the anatomy of a human tooth.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
The Crown, Neck, and Root
The visible part of the tooth is referred to as the crown. It's covered by enamel, the hardest substance in the human body. The crown is uniquely shaped for each type of tooth, allowing for different functions such as cutting, tearing, or grinding food.
