Microbial corrosion of dental alloy.
- Author:
Lele LI
1
;
Li LIU
Author Information
1. The Affiliated Stomatology Hospital, College of Medicine, Zhejiang University, Hangzhou 310006, China.
- Publication Type:Journal Article
- MeSH:
Corrosion;
Dental Alloys;
chemistry;
Humans;
Mouth;
microbiology;
Saliva;
microbiology;
Surface Properties
- From:
Journal of Biomedical Engineering
2004;21(5):864-866
- CountryChina
- Language:Chinese
-
Abstract:
There is a very complicated electrolytical environment in oral cavity with plenty of microorganisms existing there. Various forms of corrosion would develop when metallic prosthesis functions in mouth. One important corrosive form is microbial corrosion. The metabolic products, including organic acid and inorganic acid, will affect the pH of the surface or interface of metallic prosthesis and make a change in composition of the medium, thus influencing the electron-chemical reaction and promoting the development of corrosion. The problem of develpoment of microbial corrosion on dental alloy in the oral environment lies in the primary condition that the bacteria adhere to the surface of alloy and form a relatively independent environment that promotes corrosion.
