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The International Journal of Oral & Maxillofacial Implants



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Int J Oral Maxillofac Implants 7 (1992), No. 3     1. Sep. 1992
Int J Oral Maxillofac Implants 7 (1992), No. 3  (01.09.1992)

Page 338-344

Reduced Corrosion of CP Ti and Ti-6AI-4V Alloy Endosseous Dental Implants After Glow-Discharge Treatment: A Preliminary Report
Vargas, Eduardo / Baier, Robert E. / Meyer, Anne E.
Inductively coupled argon plasma spectroscopic analysis was used to quantify titanium aluminum, and vanadium corrosion products released by superficial layers of identically shaped commercially pure titanium and Ti-6Al-4V alloy dental implants. Halves of each of two originally sterile groups were analyzed directly from the manufacturer's packaging and the other halves received glow-discharge treatment prior to their corrosion assay. The implants were incubated in pH 3 modified saline solution and were analyzed after 2- and 12-week corrosion periods. Implants treated with glow discharge showed statistically significant reduction in the amounts of corrosion products released, apparently as a result of glow-discharge-produced surface oxides of greater passivity than originally present.

Keywords: aluminum, dental implants, glow-discharge treatment, ICAP spectroscopy, surface analysis, titanium, vanadium