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Abstract

Base metal alloys for fixed prosthodontics242-5Cobalt-chromium alloys are now commonly used for fixed dentures and single crowns. The alloys are attractive because they are light and provide high stiffness due to their high elastic modulus (Young's modulus) compared with noble metal alloys, pure titanium or titanium alloys. Recent processing techniques, such as selective laser melting (SLM), affect the properties. The biological responses in biological laboratory tests appear to be mild. Contact allergy could be a concern in susceptible patients.