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Development Of New Grades Of Titanium-Based Metal Glasses For Dental Applications

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Nowadays, titanium-based alloys are commonly used in biomedical applications as, for example, materials for dental implants or hip replacements. Their good corrosion resistance, biocompatibility and high mechanical properties for a relative weight make them good candidates. However, improvements in the design of these alloys for biomedical applications need to be made.

Product Number: 51323-19522-SG
Author: Dr. Benoît Ter-Ovanessian
Publication Date: 2023
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Ti-based metallic glasses, dedicated to biomedical applications, were first designed by adding large
amounts of Ni, Be or Cu to achieve the highest possible glass-forming ability. It is straightforward that
those elements are not fully compatible with biomedical applications such as biocompatibility or long-life
implants. This work, following an approach based on material design by corrosion performance,
proposes different new compositions of Ti-based metallic glasses suitable for dental applications. The
corrosion behavior of the new grades was analyzed by electrochemical tests according to standard ISO
10271, for dentistry applications. Corrosion performance was also analyzed through immersion tests for
a period of 4 weeks at 37 °C. The role of Ti, Zr, Cu and Si contents on the pitting behavior is discussed.

Ti-based metallic glasses, dedicated to biomedical applications, were first designed by adding large
amounts of Ni, Be or Cu to achieve the highest possible glass-forming ability. It is straightforward that
those elements are not fully compatible with biomedical applications such as biocompatibility or long-life
implants. This work, following an approach based on material design by corrosion performance,
proposes different new compositions of Ti-based metallic glasses suitable for dental applications. The
corrosion behavior of the new grades was analyzed by electrochemical tests according to standard ISO
10271, for dentistry applications. Corrosion performance was also analyzed through immersion tests for
a period of 4 weeks at 37 °C. The role of Ti, Zr, Cu and Si contents on the pitting behavior is discussed.

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