Fundamentals of Cavity Preparation: Biological Principles
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Questions and Answers

What is the primary concern of the biological principles in cavity preparation?

  • Prevention of caries recurrence
  • Protection of gingival and periodontal tissues
  • Dentin-Pulp protection (correct)
  • Avoiding unnecessary cutting of enamel

    • How deep should a routine cavity be beyond the D.E.J (Dentin-Enamel Junction) to avoid unnecessary cutting of enamel?

  • 1-2 mm
  • 0.5-1 mm (correct)
  • 3-4 mm
  • 2-3 mm

    • What is the recommended direction for cutting across the recessional lines of the pulp chamber to avoid traumatic irritation?

  • In a perpendicular direction
  • In a parallel direction (correct)
  • In a zigzag pattern
  • In a curved path

    • Which factor helps minimize heat generation during cavity preparation?

    <p>Using sharp, small, unclogged rotary tools</p> Signup and view all the answers

    What should be avoided to protect the pulp against thermal irritation?

    <p>Minimizing coolant use during cavity preparation</p> Signup and view all the answers

    What should be avoided to protect the pulp against mechanical or traumatic irritation during cavity preparation?

    <p>Minimizing heat generation by using sharp tools</p> Signup and view all the answers

    According to G.V. Black, which of the following is NOT a mechanical step of cavity preparation?

    <p>Protection of gingival tissues</p> Signup and view all the answers

    Which factor does NOT affect the outline form of the cavity according to G.V. Black?

    <p>Patient gender</p> Signup and view all the answers

    What is the main purpose of the resistance and retention forms in cavity preparation according to G.V. Black?

    <p>To minimize stress concentration areas</p> Signup and view all the answers

    According to G.V. Black, what should be included in the cavity outline?

    <p>All of the above</p> Signup and view all the answers

    What is the definition of outline form according to G.V. Black?

    <p>The external shape or form of boundaries of the completed cavity</p> Signup and view all the answers

    What should be done to prevent recurrent caries according to G.V. Black's principles?

    <p>Removal of all undermined enamel</p> Signup and view all the answers

    Which factor affects the extension of outline form in cavity preparation according to G.V. Black?

    <p>$0.5$ mm</p> Signup and view all the answers

    What is the main purpose of convenience form in cavity preparation according to G.V. Black?

    <p>To provide convenient access for restoration</p> Signup and view all the answers

    What is the main purpose of performing toilet of the cavity as per G.V. Black's mechanical steps?

    <p>To prevent recurrent caries</p> Signup and view all the answers

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