In vitro study on the surface properties of cobalt chromium alloy fabricated by two different methods
10.3969/j.issn.1001-3733.2015.04.05
- VernacularTitle:2种不同方法制作的钴铬合金的表面性能体外研究
- Author:
Yingying SUN
;
Wei HUANG
- Publication Type:Journal Article
- Keywords:
Laser sintering co-cr alloy;
Cobalt chromium alloy;
Streptococcus mutans adhesion
- From:
Journal of Practical Stomatology
2015;(4):474-477
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To evaluate the surface free energy and Streptococcus mutans(S.mutans)adhesion on the surfaces of Co-Cr al-loy specimens fabricated by selective laser sintering(SLS)and casting method(SG and W280)respectively.Methods:The specimens of three groups were polished by SiC sandpaper.Surface morphology test,surface contact angle test and surface adhesion test of S.mu-tans were performed.Results:With the same surface roughness value,the surface contact angle of group SLS,W280 and SG was 66.200 ±3.112,74.212 ±3.206 and 67.238 ±2.047(P >0.05),the surface adhesion of S.mutans colone was 8.88 ±2.90,9.25 ± 2.05 and 8.50 ±1.85(P >0.05),respectively.Conclusion:The cobalt chromium alloy fabricated by SLS and casting method have similar surface performance.
