Metals in Medicine

The video discusses the use of metals like titanium, stainless steel, and silver in medical applications. Titanium is used for its strength and non-reactivity, making it ideal for implants like hip replacements. Stainless steel, an alloy, is used for temporary braces due to its strength and rust resistance. Silver is used in dental fillings for its moldability and durability. These metals are chosen for their specific properties that make them suitable for use inside the human body.

Why is titanium considered suitable for hip replacements?

• It is a heavy metal.

• It is a poor conductor of electricity.

• It is non-magnetic and strong.

• It is highly reactive with body fluids.

What is the primary reason stainless steel is used temporarily in bone repair?

• It is lighter than titanium.

• It is cheaper than titanium.

• It is more flexible than titanium.

• It is denser and used for less stressed bones.

What makes stainless steel resistant to rust inside the body?

• Its magnetic properties.

• Its high iron content.

• Its ability to form a rust-resistant layer.

• Its low density.

What metals are primarily used in dental amalgams?

• Titanium and aluminum.

• Silver and mercury.

• Iron and chromium.

• Gold and copper.

Why is silver alloy used in dental fillings?

• It remains soft permanently.

• It reacts with saliva.

• It is magnetic.

• It solidifies to form a hard surface.