Which category of biomaterials involves the use of alloys?

The category of biomaterials that involves the use of alloys is metals. Alloys are mixtures of two or more elements, and they can have enhanced properties compared to their individual components, such as improved strength, corrosion resistance, and ductility. In the context of biomedical applications, metal alloys are commonly used in implants, prosthetics, and surgical tools, due to their mechanical properties and biocompatibility.

Metals, specifically stainless steel, titanium, and cobalt-chromium alloys, are widely utilized in the medical field for orthopedic implants, dental devices, and cardiovascular stents. These materials are often chosen for their ability to withstand mechanical stress and maintain structural integrity over time while also being compatible with biological tissues.

In contrast, ceramics generally consist of inorganic, non-metallic materials that may be used in applications requiring bioactivity and high hardness but do not typically involve alloys. Polymers are organic compounds made up of long chains of repeating units and are often used for their flexibility and ease of processing. Natural materials are derived from biological sources and can vary widely in composition and properties but do not refer to metallic alloys.