Influence of Different pH and Fluoride Addition on the Corrosion Behavior of the Sintered CoCr Alloy Ceramill Sintron Compared to the Cast Alloy Girobond NB

Abstract:

In addition to conventionally casting, dental metallic framework can be manufactured using different CAD/CAM technologies (selective laser melting, milling). The milling of porous CoCr blanks followed by sintering under protective gas is a new 2012 introduced dental technology called Ceramill Sintron. For this new material so far, there exist few studies on the corrosion behavior. The aim of this study was to investigate the influence of different pH values as well as fluoride additions on the corrosion behavior of the sintered CoCr alloy compared to the cast condition by electrochemical corrosion measurements according to ISO 10271.

• Periodical: Materials Science Forum (Volume 879)
• Pages: 1709-1714
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.879.1709
• Online since: November 2016
• Authors: Christine Schille*, Ernst Schweizer, Rita Hoffmann, Falko Noack, Juergen Geis-Gerstorfer
• Keywords: Casting, Corrosion, Dental CoCr Alloys, Fluoride, Sintering

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