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Dental Restorative Materials Quiz

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Questions and Answers

What are the primary considerations for pulpal protection?

Chemical protection, electrical conduction, thermal insulation, pulpal medication, mechanical support

Chemical protection, electrical protection, thermal protection, pulpal medication, mechanical protection (correct)

Chemical reaction prevention, electrical insulation, thermal conduction, pulpal medication, mechanical reinforcement

Chemical resistance, electrical conductivity, thermal expansion, pulpal medication, mechanical strength

Why are liners and bases not fully distinguishable in all cases?

Because their application techniques are interchangeable

Because they share similar objectives (correct)

Because they are always used together

Because they have identical compositions

What are the characteristics of liners?

Relatively thin layers providing a barrier to protect dentin and contribute initial electrical insulation (correct)

Highly porous layers allowing easy fluid penetration and thermal conduction

Thick layers providing direct pulp capping and mechanical reinforcement

Transparent layers allowing visibility of underlying structures and enhancing aesthetics

What is the primary purpose of bases?

To provide mechanical support and thermal protection Signup and view all the answers

What do liners primarily protect the dentin from?

Residual reactants diffusing out of a restoration or from oral fluids Signup and view all the answers

What are liners primarily used for?

Providing a barrier to protect the dentin from residual reactants Signup and view all the answers

Which of the following is NOT a consideration for pulpal protection?

Aesthetic protection Signup and view all the answers

What do liners contribute initially?

Electrical insulation Signup and view all the answers

In what cases are liners and bases not fully distinguishable?

When they serve as pulpal medication Signup and view all the answers

What do bases provide between dentin and the restoration?

Protection from oral fluids penetrating leaky interfaces Signup and view all the answers