Dental Amalgam Quiz

What is dental amalgam primarily composed of?

• Ceramic and glass

• Plastic and resin

• Gold and silver

• Mercury and other metals

Which of the following metals is commonly used in dental amalgam?

• Silver

• Lead

• Iron

• Gold

Which type of dental amalgam is known for its superior strength and durability?

• Gold alloys

• Silver alloys

• High copper alloys

• Low copper alloys

What is the primary property of dental amalgam in terms of strength?

• Weak in shear

• Strong in compression

• Strong in tension

• Weak in compression

What does creep refer to in the context of dental amalgam?

• Immediate deformation under load

• Rapid expansion

• Loss of strength over time

• Slow deformation under constant load

What can excessive corrosion of dental amalgam lead to?

• Increased strength

• Reduced porosity

• Improved aesthetics

• Loss of marginal integrity

Which process involves the reaction of mercury with alloy powder?

• Finishing

• Carving

• Trituration

• Condensation

What is the effect of over-trituration on working time?

• No effect on working time

• Doubles working time

• Decreases working time

• Increases working time

What is the purpose of condensation in dental amalgam manipulation?

• To create voids

• To ensure good adaptation to cavity walls

• To reduce strength

• To enhance color

What is the primary risk associated with mercury in dental practices?

• Allergic reactions

• Ingestion of mercury

• Skin irritation

• Inhalation of mercury vapors