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Volume 7 , Issue 3
Fall 1992

Pages 338-344


Reduced Corrosion of CP Ti and Ti-6AI-4V Alloy Endosseous Dental Implants After Glow-Discharge Treatment: A Preliminary Report

Eduardo Vargas, DDS, MS/Robert E. Baier, PhD, PE/Anne E. Meyer, PhD


PMID: 1289259

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. (INT J ORAL MAXILLOFAC IMPLANTS 1992;7:338-344.)

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


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