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Passivity of some dental materials in Ringer's solution (CROSBI ID 99599)

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Begić, Anita ; Malina, Jadranka ; Matković, Prosper Passivity of some dental materials in Ringer's solution // Acta stomatologica Croatica, 37 (2003), 3; 251-260-x

Podaci o odgovornosti

Begić, Anita ; Malina, Jadranka ; Matković, Prosper

engleski

Passivity of some dental materials in Ringer's solution

In this paper corrosion resistance of two experimental dental alloys, Co-Cr-Mo and Co-Cr-Ni, one commercial Co-Cr-Mo (Wironite) alloy, high purity titanium and Ag-amalgam (Permite) was studied in Ringers solution. On the basis of electrochemical measurements, the relevant indicator of local corrosion - pitting potential, at which the breakdown of passive layer and effects of local corrosion start, was determined. By ranking of materials according to pitting potential, it was found that pure titanium is the most stable material followed by commercial alloy Wironit, Co-Cr-Mo and Co-Cr-Ni alloys, while amalgam showed the lowest resistance in the experimental conditions of model oral cavity medium.

dental alloys; anodic polarization; pasivation; Ringer's solution

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Podaci o izdanju

37 (3)

2003.

251-260-x

objavljeno

0001-7019

Povezanost rada

Metalurgija