Influence of pH value and NaF addition on the corrosion behavior of Ni-Cr and Co-Cr dental alloys

Abstract

The Ni-Cr and Co-Cr alloys used in dental practice were evaluated for in vitro corrosion resistance in different environments: artificial saliva and fluoridated artificial saliva with pH = 5.2, acidified artificial saliva and fluoridated acidified artificial saliva with pH = 2.5. The environments were chosen to mimic the oral environment with content and pH variations mainly due to the food intake and hygiene products used. The results showed that NaF additions or decreasing the pH value led to a marked decrease in corrosion resistance of both alloys.

Original language	English
Pages (from-to)	149-158
Number of pages	10
Journal	UPB Scientific Bulletin, Series B: Chemistry and Materials Science
Volume	77
Issue number	2
Publication status	Published - 1 Jan 2015
Externally published	Yes

Keywords

Artificial saliva
Corrosion
Dentistry
Fluoride
Lactic acid

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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Influence of pH value and NaF addition on the corrosion behavior of Ni-Cr and Co-Cr dental alloys. / Dinu, Mihaela; Târcolea, Mihai; Cojocaru, Mihai; Gherghilescu, Ana Iulia; Cotruţ, Cosmin Mihai.

In: UPB Scientific Bulletin, Series B: Chemistry and Materials Science, Vol. 77, No. 2, 01.01.2015, p. 149-158.

Research output: Contribution to journal › Article › peer-review

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abstract = "The Ni-Cr and Co-Cr alloys used in dental practice were evaluated for in vitro corrosion resistance in different environments: artificial saliva and fluoridated artificial saliva with pH = 5.2, acidified artificial saliva and fluoridated acidified artificial saliva with pH = 2.5. The environments were chosen to mimic the oral environment with content and pH variations mainly due to the food intake and hygiene products used. The results showed that NaF additions or decreasing the pH value led to a marked decrease in corrosion resistance of both alloys.",

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AU - Cojocaru, Mihai

AU - Gherghilescu, Ana Iulia

AU - Cotruţ, Cosmin Mihai

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N2 - The Ni-Cr and Co-Cr alloys used in dental practice were evaluated for in vitro corrosion resistance in different environments: artificial saliva and fluoridated artificial saliva with pH = 5.2, acidified artificial saliva and fluoridated acidified artificial saliva with pH = 2.5. The environments were chosen to mimic the oral environment with content and pH variations mainly due to the food intake and hygiene products used. The results showed that NaF additions or decreasing the pH value led to a marked decrease in corrosion resistance of both alloys.

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KW - Lactic acid

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Influence of pH value and NaF addition on the corrosion behavior of Ni-Cr and Co-Cr dental alloys

Abstract

Keywords

ASJC Scopus subject areas

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