香烟烟雾会影响永久性树脂基皇冠材料吗?
Ezgi Sonkaya1, Koray Soygun2, Öykü Ceren Kahraman3
1Department of Restorative Dentistry, Faculty of Dentistry, Cukurova University, Adana, Turkey.
概括
在3D打印的最终树脂中,吸烟会导致最小的变色和可接受的表面粗. 这些发现支持3D打印树脂用于牙科修复的临床使用,突出显示了材料特性对长寿的重要性.
科学领域:
- 牙科材料科学 牙科材料科学
- 添加剂制造 添加剂制造 添加剂制造
- 表面工程是什么?表面工程是什么?
背景情况:
- 牙科修复需要耐用材料,可以抵抗环境因素.
- 评估吸烟对基于树脂的牙科材料的影响对于临床寿命至关重要.
研究的目的:
- 评估吸烟对添加和减法制造的最终树脂表面粗度 (Ra) 和稳定性 (ΔE00) 的影响.
主要方法:
- 测试了三种最终树脂类型:两种增材制造 (Dentafab,Formlabs) 和一种减法制造 (Cerasmart).
- 标本接受了为期30天的香烟吸烟模拟,或作为对照,被放置在人造唾液中.
- 在模拟之前和之后,通过SEM成像和统计分析,测量了表面粗度和颜色变化.
主要成果:
- 与其他组相比,Formlabs (FL) 组的变色明显较小 (p < 0.001).
- 与对照组相比,Dentafab (DF) 组显示表面粗度在统计上显著增加 (p = 0.005).
- 表面粗度和吸烟引起的变色之间没有线性相关性.
结论:
- 所有经过测试的材料都显示出基于现有值的适度不可接受的颜色变化.
- 由于吸烟,3D打印的SLA终性树脂的表面粗性和变色处于可接受的临床范围内.
- 确定性树脂的优化物理和化学特性对于恢复寿命至关重要,支持3D打印确定性树脂的临床建议.
相关概念视频
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
2.7K
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
2.7K
Chronic Obstructive Pulmonary Disease
1.2K
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
1.2K
COPD: Pathogenesis and Clinical Features
230
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
230


