评估通过不同的技术和材料生产的定制支柱的表面粗度和微生物保留
Serter Mert Selamet1, Ovul Kumbuloglu1, Asli Sahiner2
1Department of Prosthodontics, School of Dentistry, Ege University, Izmir, Turkiye.
European journal of oral sciences
|January 22, 2025
概括
这项研究比较了牙支柱材料的表面粗度和微生物殖民. 激光烧结的-显示出最光滑的表面,而磨的有最高的Streptococcus mutans殖民.
科学领域:
- 材料科学 材料科学 材料科学
- 生物材料工程 生物材料工程
- 微生物学 微生物学
背景情况:
- 牙支架对于假牙成功至关重要.
- 支柱材料的表面特性会影响微生物粘附.
- 了解特定材料的微生物殖民对于预防植入周围感染至关重要.
研究的目的:
- 用不同的方法制造的各种牙支架材料的表面粗度的评估.
- 评估这些材料上的Streptococcus mutans和Candida albicans的殖民潜力.
- 在临床材料选择中,将表面粗度与微生物粘附度相关联.
主要方法:
- 六种材料/制造组合进行了测试:- (Cr-Co) (造,削,激光烧结),磨,磨,磨化.
- 使用原子力显微镜 (AFM) 和扫描电子显微镜 (SEM) 量化了表面粗度.
- 标本被注射了Streptococcus mutans和Candida albicans以通过培养计数确定微生物殖民水平.
主要成果:
- 激光烧结的Cr-Co表现出最低的表面粗度 (Ra,Rq,Rmax).
- 磨的石显示了最高的表面粗度.
- 菌株菌突变菌 (Streptococcus mutans) 的殖民化在磨砂上最高,而Candida albicans的殖民化在磨砂上最高.
- 磨过的化显示出最低的Candida albicans殖民.
结论:
- 制造方法显著影响支柱材料表面粗度.
- 表面特征影响口腔微生物的粘附,如S. mutans和C. albicans.
- 这些发现可以指导临床医生选择支柱材料,以尽量减少微生物殖民并改善临床结果.
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