Electrochemical Behavior of Three CP Titanium Dental Implants in Artificial Saliva

被引：7
|
作者：
Kadowaki, Norma Terumi [1 ]
Santana Martinez, Gustavo Aristides [1 ]
Robin, Alain [1 ]
机构：
[1] Univ Sao Paulo, Dept Mat Engn, LOM, EEL, BR-12600970 Lorena, SP, Brazil
来源：
MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS | 2009年 / 12卷 / 03期
关键词：
dental implants; titanium; corrosion; electrochemical techniques; CORROSION BEHAVIOR; FLUORIDE; ALLOYS; RESISTANCE; FILM;
D O I：
10.1590/S1516-14392009000300018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electrochemical behavior of three titanium dental implants purchased on the Brazilian market was evaluated in artificial saliva using open-circuit potential measurements, electrochemical impedance spectroscopy and potentiodynamic polarization. The three implants are passive in this medium but their corrosion resistance and the stability of their passive oxide films are quite different. Although the three implants were made of commercially pure grade titanium, their corrosion current densities and passive current densities were shown to differ from one to two orders of magnitude.
引用
收藏
页码：363 / 366
页数：4
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