Tarnish resistance of experimental Ti-Ag alloys in 0.1% Na2S solution

Masatoshi Takahashi; Masafumi Kikuchi; Yukyo Takada

doi:10.1007/978-4-431-54070-0_82

Tarnish resistance of experimental Ti-Ag alloys in 0.1% Na₂S solution

Masatoshi Takahashi, Masafumi Kikuchi, Yukyo Takada

DEN - Dental Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

We developed experimental Ti-Ag alloys and characterized their properties. The mechanical properties and machinability of the Ti-Ag alloys were superior to those of pure titanium. The Ti-Ag alloy surfaces inhibited biofilm formation by Streptococcus mutans. The spontaneous formation of calcium phosphates on the Ti-Ag alloys upon immersion in simulated body fluid was confirmed. The corrosion resistance of the Ti-Ag alloys in a 0.9% NaCl solution and a 1% lactic acid solution was comparable to that of pure titanium. Further, we performed a tarnish resistance test, and found that the Ti-Ag alloys had excellent tarnish resistance in 0.1% Na₂S solution, comparable or superior to that of pure titanium.

Original language	English
Title of host publication	Interface Oral Health Science 2011
Publisher	Springer Japan
Pages	278-279
Number of pages	2
ISBN (Electronic)	9784431540700
ISBN (Print)	9784431540694
DOIs	https://doi.org/10.1007/978-4-431-54070-0_82
Publication status	Published - 2012 Jan 1

Keywords

Biomaterial
Dental alloy
Tarnish resistance
Ti-Ag alloy

ASJC Scopus subject areas

Dentistry(all)

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10.1007/978-4-431-54070-0_82

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AU - Takada, Yukyo

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N2 - We developed experimental Ti-Ag alloys and characterized their properties. The mechanical properties and machinability of the Ti-Ag alloys were superior to those of pure titanium. The Ti-Ag alloy surfaces inhibited biofilm formation by Streptococcus mutans. The spontaneous formation of calcium phosphates on the Ti-Ag alloys upon immersion in simulated body fluid was confirmed. The corrosion resistance of the Ti-Ag alloys in a 0.9% NaCl solution and a 1% lactic acid solution was comparable to that of pure titanium. Further, we performed a tarnish resistance test, and found that the Ti-Ag alloys had excellent tarnish resistance in 0.1% Na2S solution, comparable or superior to that of pure titanium.

AB - We developed experimental Ti-Ag alloys and characterized their properties. The mechanical properties and machinability of the Ti-Ag alloys were superior to those of pure titanium. The Ti-Ag alloy surfaces inhibited biofilm formation by Streptococcus mutans. The spontaneous formation of calcium phosphates on the Ti-Ag alloys upon immersion in simulated body fluid was confirmed. The corrosion resistance of the Ti-Ag alloys in a 0.9% NaCl solution and a 1% lactic acid solution was comparable to that of pure titanium. Further, we performed a tarnish resistance test, and found that the Ti-Ag alloys had excellent tarnish resistance in 0.1% Na2S solution, comparable or superior to that of pure titanium.

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