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Properties of experimental titanium-silver-copper alloys for dental applications

Authors
 Dong-Kuk Kang  ;  Seoung-Kyun Moon  ;  Keun-Taek Oh  ;  Good-Sun Choi  ;  Kyoung-Nam Kim 
Citation
 JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS, Vol.90(1) : 446-451, 2009 
Journal Title
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH PART B-APPLIED BIOMATERIALS
ISSN
 1552-4973 
Issue Date
2009
MeSH
Alloys* ; Animals ; Biocompatible Materials ; Cell Line ; Copper/chemistry* ; Dental Materials* ; Mice ; Silver/chemistry* ; Titanium/chemistry* ; X-Ray Diffraction
Keywords
titanium (alloys) ; cytotoxicity ; corrosion ; biomaterials availability ; mechanicalproperties
Abstract
The aim of this study was to develop Ti-Ag-Cu alloys with a higher corrosion resistance, better biocompatibility, and better mechanical properties than commercially pure titanium and its alloys. The microstructure, corrosion resistance, mechanical property and cytotoxicity of the Ti-Ag-Cu alloys were investigated. The corrosion resistance was evaluated by open circuit potential measurements and potentiodynamic polarization tests in artificial saliva at 37 degrees C. The mechanical properties were evaluated using tensile and microhardness tests. The biocompatibility was tested by evaluating the cytotoxicity of the alloys using an agar-overlay test and MTT assay. It was found that the open circuit potentials of the Ti-Ag-Cu alloys were higher than that of pure Ti. However, the passive current densities of the Ti-Ag-Cu alloys were similar to that of pure titanium. The mechanical properties improved with increasing Ag and Cu content. All the Ti-Ag-Cu alloys examined were found to be noncytotoxic similar to pure Ti. Therefore, Ti-Ag-Cu alloys can be used as biomaterials in the dental field.
Full Text
http://onlinelibrary.wiley.com/doi/10.1002/jbm.b.31305/abstract
DOI
10.1002/jbm.b.31305
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Dental Biomaterials and Bioengineering (치과생체재료공학교실) > 1. Journal Papers
Yonsei Authors
Kang, Dong Kuk(강동국)
Kim, Kyoung Nam(김경남)
Moon, Seung Kyun(문승균)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/104544
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