Dental Restorations: Liners, Varnishes, and Fillings
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Questions and Answers

What is the classification of dental cements based on their setting reaction?

  • Into acid-base and polymerization reactions (correct)
  • Into permanent and temporary fillings
  • Into root canal sealers and pulp capping
  • Into mechanical and thermal properties

What is the primary function of a cavity varnish?

  • To provide mechanical strength
  • To act as a substitute for missing tooth structure
  • To provide thermal insulation
  • To minimize the ingress of oral fluids (correct)

What type of pulp capping is indicated when the pulp is exposed during cavity preparation?

  • Root canal treatment
  • Indirect pulp capping
  • Direct pulp capping (correct)
  • Cavity varnish application

What is the characteristic of both liner and varnish in dentistry?

<p>They have no significant mechanical strength and provide no thermal insulation (D)</p> Signup and view all the answers

What is the primary purpose of pulp capping?

<p>To promote healing of the pulp (A)</p> Signup and view all the answers

What is the indication for indirect pulp capping?

<p>Deep carious lesion close to vital pulp (C)</p> Signup and view all the answers

What is the primary purpose of pulp capping?

<p>To promote the formation of new dentin and healing of the pulp (B)</p> Signup and view all the answers

What is the function of a cavity liner?

<p>To provide chemical insulation and protect the pulp (C)</p> Signup and view all the answers

What is the minimum thickness required for a cement base to provide thermal insulation to the pulp?

<p>0.75 mm (B)</p> Signup and view all the answers

What is the term for the process of placing a specialized agent in contact with or in close proximity to the pulp?

<p>Pulp capping (A)</p> Signup and view all the answers

What is the primary function of a cavity varnish?

<p>To act as a protective barrier between dentin and restorative materials (A)</p> Signup and view all the answers

What is the primary use of a luting agent in dentistry?

<p>To fill the space between two components for retention of restoration and sealing to tooth structure (B)</p> Signup and view all the answers

What is a characteristic of calcium hydroxide cement that makes it suitable for direct and indirect pulp capping?

<p>Stimulation of reparative dentine formation (A)</p> Signup and view all the answers

Which of the following is a presentation form of calcium hydroxide cement?

<p>CaOH suspension (C)</p> Signup and view all the answers

What is the primary advantage of using biodentin as a direct and indirect pulp capping material?

<p>Preservation of pulp due to high biocompatibility and less risk of bacterial percolation (D)</p> Signup and view all the answers

What is the role of calcium hydroxide in a cavity liner?

<p>Protective barrier to prevent bacterial penetration (C)</p> Signup and view all the answers

Which of the following is a setting reaction product of calcium hydroxide cement?

<p>Amorphous Calcium disalicylate (B)</p> Signup and view all the answers

What is the pH range of calcium hydroxide cement?

<p>11-12 (B)</p> Signup and view all the answers

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