In vitro corrosion

There is no meaningflil correlation between laboratory corrosion tests and clinical performance, but high in vitro corrosion rates on several high nickel dental prosthetic alloys (163), together with the prevalence of allergy to nickel caused by plated jewelry, gives cause for caution. 

Sarkar, N. K., Osborne, J. W. and Leinfelder, K. F. In Vitro Corrosion and In Vivo Marginal Fracture of Dental Amalgams , Journal of Dental Research, 61,1262-1268 (1982)... 

Vaidyanathan, T. K. and Prasad, A. In vitro Corrosion and Tarnish Analysis of the Ag-Pd Binary System , Journal of Dental Research, 60, 707-715 (1981)... 

Revie, R. W. and Greene, N. D. Comparison of the In Vivo and In Vitro Corrosion of 18-8 Stainless Steel and Titanium , Journal of Biomedical Materials Research, 3, 465-470 (1969)... 

The successful clinical use of titanium and cobalt-chromium alloy combinations has been reported Lucas etal. also investigated this combination using electrochemical studies based on mixed potential and protection potential theories. Verification of these studies was made by direct coupling experiments. The electrochemical studies predicted coupled corrosion potentials of -0.22 V and low coupled corrosion rates of 0.02 ft A/cm. Direct coupling experiments verified these results. The cobalt-titanium interfaces on the implants were macroscopically examined and no instances of extensive corrosion were found. Overall, the in-vitro corrosion studies and the examination of retrieved prostheses predicted no exaggerated in-vivo corrosion due to the coupling of these cobalt and titanium alloys. 

Solar R. J., Pollack, S. R. and Korostoffe, E., In-vitro Corrosion Testing of Titanium Surgical Implant Alloys An Approach to Understanding Titanium Release from Implants , Journal of Biomedical Materials Research, 13, 217-250 (1979)... 

Assis SL, Rogero SO, Antunes RA, Padilha AF, Costa I. A comparative study of the in vitro corrosion behavior and cytotoxicity of a superferritic stainless steel, aTi-13Nb-13Zr alloy, and an austenitic stainless steel in Hank s solution. Journal of Biomedical Materials Research B 2005, 73, 109-116. 

R., and Medraj, M. (2014) In-vitro corrosion inhibition mechanism of fluorine-doped hydroxyapatite and brushite coated Mg-Ca alloys for biomedical applications. Ceram. Int, 40 (6), 7971-7982. 

In an attempt to reduce the release of potentially harmful metal ions from Co-Cr-Mo surgical implants, a thin coating of TiN has been applied via physical vapour deposition (PVD) (Wisbey et al., 1987). In vitro corrosion performance has been investigated using electrochemical techniques. The release of Co and Cr ions is reduced by the presence of the TiN coating. Data concerning this study are shown in Figure 9.13. 

M. L. Escudero and J.L. Gonzalez-Carrasco, In vitro corrosion behaviour of... 

Grimsdottir, M.R., Gjerdet, N.R. and Hensten-Pettersen, A. (1992) Composition and in vitro corrosion of orthodontic appliances. Am. J. Orthod. Dentofac. Orthop., 101, 525-532 Discusses sensitivity and stainless steels. Release of nickel related to many metallurgical aspects and not necessarily to nickel content of the metal. 

Fathi MH, Salehi M, Saatchi A, Mortazavi V, Moosavi SB (2003) In vitro corrosion behavior of bioceramic, metallic, and bioceramic-metallic coated stainless steel dental implants. Dent Mater 19(3) 188-198... 

Sarao TPS, Sidhu HS, Singh H. Characterization and in vitro corrosion investigations of thermal sprayed hydroxyapatite and hydroxyapatite-titania coatings on Ti AUoy. Metall Mater Trans A 2012 43(11) 4365-76. 

Solar, RJ Pollack, SR Korostoff, E. In vitro corrosion testing of titanium surgical implant alloys an approach to understanding titanium release from implants. Journal of Biomedical Materials Research, 1979,13,217-250. 

Key words degradable metals, biocompatibility, in vivo corrosion, in vitro corrosion, magnesium implant. 

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