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?

<p>To provide mechanical support and thermal protection (D)</p> Signup and view all the answers

What do liners primarily protect the dentin from?

<p>Residual reactants diffusing out of a restoration or from oral fluids (C)</p> Signup and view all the answers

What are liners primarily used for?

<p>Providing a barrier to protect the dentin from residual reactants (A)</p> Signup and view all the answers

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

<p>Aesthetic protection (D)</p> Signup and view all the answers

What do liners contribute initially?

<p>Electrical insulation (C)</p> Signup and view all the answers

In what cases are liners and bases not fully distinguishable?

<p>When they serve as pulpal medication (C)</p> Signup and view all the answers

What do bases provide between dentin and the restoration?

<p>Protection from oral fluids penetrating leaky interfaces (C)</p> Signup and view all the answers

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