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Corrosion behavior of novel Ti-24Nb-4Zr-7.9Sn alloy for dental implant applications in vitro
Y. C. Cheng; J. Hu; C. B. Zhang; Z. Y. Wang; Y. L. Hao; B. Gao
2013
Source PublicationJournal of Biomedical Materials Research Part B-Applied Biomaterials
ISSN1552-4973
Volume101BIssue:2Pages:287-294
AbstractTi-24Nb-4Zr-7.9Sn (TNZS) alloy is a newly developed beta-titanium alloy considered suitable for dental implant applications due to its low elastic modulus and high strength. The aim of this study was to investigate the corrosion behavior of TNZS alloy through a static immersion test in various simulated physiological solutions, namely, artificial saliva, lactic acid solution, fluoridated saliva, and fluoridated acidified saliva for 7 days. The corrosion behavior of commercially pure titanium and Ti-6Al-4V alloy were also examined for comparison. The elemental release was measured with inductively coupled plasma mass spectroscopy, and the changes of alloy surface were observed with scanning electron microscopy (SEM). The test results showed that the quantity of each metal element released from TNZS alloy into fluoridated solutions was much higher than the solutions without fluoride ions. It was highest in fluoridated acidified saliva and lowest in artificial saliva (p < 0.01). The total elemental release from TNZS alloy was lower than commercially pure titanium and Ti-6Al-4V alloy in the same solution (p < 0.01). SEM micrographs indicated that TNZS alloy possessed better corrosion resistant performance. It can be concluded that fluoridated solutions have a negative influence on the corrosion behavior of TNZS alloy. Compared with commercially pure titanium and Ti-6Al-4V alloy, TNZS alloy demonstrates better corrosion resistance in various simulated physiological solutions, so it has greater potential for dental implant applications. (c) 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2013.
description.department[cheng, yicheng ; hu, jiang ; zhang, chunbao ; wang, zhongyi ; gao, bo] fourth mil med univ, dept prosthodont, sch stomatol, xian 710032, peoples r china. [hao, yulin] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china. fourth mil med univ, sch stomatol, dept prosthodont, xian 710032, peoples r china. ; gao, b (reprint author), fourth mil med univ, dept prosthodont, sch stomatol, 145 w changle rd, xian 710032, peoples r china. ; gaobo@fmmu.edu.cn
KeywordTitanium Alloy Corrosion Immersion Test Elemental Release Commercially Pure Titanium Biomedical Applications Metal Release Fluoride Ti Bone Biocompatibility Brackets Cells
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71173
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. C. Cheng,J. Hu,C. B. Zhang,et al. Corrosion behavior of novel Ti-24Nb-4Zr-7.9Sn alloy for dental implant applications in vitro[J]. Journal of Biomedical Materials Research Part B-Applied Biomaterials,2013,101B(2):287-294.
APA Y. C. Cheng,J. Hu,C. B. Zhang,Z. Y. Wang,Y. L. Hao,&B. Gao.(2013).Corrosion behavior of novel Ti-24Nb-4Zr-7.9Sn alloy for dental implant applications in vitro.Journal of Biomedical Materials Research Part B-Applied Biomaterials,101B(2),287-294.
MLA Y. C. Cheng,et al."Corrosion behavior of novel Ti-24Nb-4Zr-7.9Sn alloy for dental implant applications in vitro".Journal of Biomedical Materials Research Part B-Applied Biomaterials 101B.2(2013):287-294.
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