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Antibacterial effect of sand blasted, large-grit, acid-etched treated Ti–Ag alloys

Authors
 Kang Min-Kyung  ;  Moon Seung-Kyun  ;  Kwon Jae-Sung  ;  Kim Kwang-Mahn  ;  Kim Kyoung-Nam 
Citation
 Materials Research Bulletin, Vol.47(10) : 2952-2955, 2012 
Journal Title
 Materials Research Bulletin 
ISSN
 0025-5408 
Issue Date
2012
Abstract
The purpose of this study was to investigate the antibacterial effect of sand-blasted, large-grit, acid-etched (SLA) treated Ti–Ag alloys. Three different alloys with varying Ag contents (Ti–1Ag, Ti–2Ag, and Ti–4Ag) were SLA treated by grit blasting with 250 μm sized alumina and acid-etching in 7% HCl + 27% H2SO4 solution at 110 °C for 5 min. The microporous structures were formed following SLA treatment and Ag particles were identified on Ti–2Ag and Ti–4Ag alloys. And high concentration of Ag released steadily during 7 days from the Ti–4Ag. Higher level of antibacterial effect was evident on SLA treated Ti–Ag alloys compare to commercially pure Ti (p < 0.05) in the antibacterial test using Streptococcus aureus whereas no significant difference in cell viability among the SLA treated Ti–Ag allows and commercially pure Ti was identified. Hence, it was concluded that SLA treated Ti–Ag had an antibacterial effect while being biocompatible. --------------------------------------------------------------------------------
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/91432
DOI
10.1016/j.materresbull.2012.04.060
Appears in Collections:
1. Journal Papers (연구논문) > 2. College of Dentistry (치과대학) > Dept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실)
Yonsei Authors
강민경(Kang, Min Kyung)
권재성(Kwon, Jae-Sung)
김경남(Kim, Kyoung Nam)
김광만(Kim, Kwang Mahn)
문승균(Moon, Seung Kyun)
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Full Text
http://www.sciencedirect.com/science/article/pii/S0025540812002632
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