International Journal of Recent Trends in Engineering & Research

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Effect of Artificial Saliva on the Corrosion Behavior of Dental Alloys: A review

Publication Date : 30/04/2019


DOI : 10.23883/IJRTER.CONF.20190322.100.2IIOF


Author(s) :

S. Kokila , S. Devimeenakshi.


Conference Name :
1st International Conference on New Scientific Creations in Engineering and Technology - 2019



Abstract :

Dental erosion is the chemical dissolution of the tooth structure. Factors like eating disorders and gastrointestinal diseases are recognized as intrinsic factors for dental erosion. To regulate the growth of teeth, people are implanted with orthodontic wires made of different materials. These are exposed to the influence of oral environment, food intake, toothpastes, and mouthwashes. During this process, the materials may undergo corrosion. Hence, various researchers have made a study on the influence of artificial saliva (AS) on the corrosion behavior of these alloys. The excellent corrosion resistance to the oral environment of dental alloys is important for biocompatibility as well as for orthodontic employment permanence. Various types of metal alloys are being used for the orthodontic treatment, which undergo chemical or electrochemical reaction with the oral environment. The oral environment is highly belligerent under several situations and leads to corrosion. This article reviews the effects of fluoride concentration, the pH value and protein content in AS and the composition of the metal alloys on the corrosion resistance of orthodontic appliances using electrochemical methods and surface characterization techniques such as scanning electron microscopy inductively coupled plasma-optical emission spectroscopy (ICPOES) and X-ray photoelectron microscopy.


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