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Corrosion behavior of novel Ti‐24Nb‐4Zr‐7.9Sn alloy for dental implant applications in vitro

Identifieur interne : 002C94 ( Main/Exploration ); précédent : 002C93; suivant : 002C95

Corrosion behavior of novel Ti‐24Nb‐4Zr‐7.9Sn alloy for dental implant applications in vitro

Auteurs : Yicheng Cheng [République populaire de Chine] ; Jiang Hu [République populaire de Chine] ; Chunbao Zhang [République populaire de Chine] ; Zhongyi Wang [République populaire de Chine] ; Yulin Hao [République populaire de Chine] ; Bo Gao [République populaire de Chine]

Source :

Journal of Biomedical Materials Research Part B: Applied Biomaterials [ 1552-4973 ] ; 2013-02.

RBID : ISTEX:87A27C247073BDE2A78145FDEC30573EE655B4AC

Descripteurs français

Wicri :
- topic : Alliage, Biomatériau, Corrosion, Titane.

English descriptors

Abstract

Ti‐24Nb‐4Zr‐7.9Sn (TNZS) alloy is a newly developed β‐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. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2013.

Url:

https://api.istex.fr/document/87A27C247073BDE2A78145FDEC30573EE655B4AC/fulltext/pdf

DOI: 10.1002/jbm.b.32838

Affiliations:

République populaire de Chine

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Ti‐24Nb‐4Zr‐7.9Sn (TNZS) alloy is a newly developed β‐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. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2013.</div>
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Corrosion behavior of novel Ti‐24Nb‐4Zr‐7.9Sn alloy for dental implant applications in vitro

Corrosion behavior of novel Ti‐24Nb‐4Zr‐7.9Sn alloy for dental implant applications in vitro

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Abstract

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