Cavity Preparation in Pediatric Dentistry - Abdulhamid Al Ghwainem Lecture
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Questions and Answers

What is the recommended isthmus width for a proximal cavity preparation in primary molar teeth?

  • The full intercuspal distance
  • 1/3 the intercuspal distance (correct)
  • 2/3 the intercuspal distance
  • 1/2 the intercuspal distance

    • What is a key advantage of the cervical enamel rods being directed occlusally in primary teeth?

  • It reduces the risk of pulp exposure
  • It makes matrix adaptation easier
  • It allows for a deeper cavity preparation
  • It eliminates the need for a gingival bevel in class II preparations (correct)

    • What is a key challenge associated with the marked cervical constriction of primary teeth?

  • Achieving adequate matrix adaptation (correct)
  • Avoiding pulp exposure during cavity preparation
  • Maintaining adequate retention for restorations
  • Obtaining adequate access for caries removal

    • What is a key consideration regarding the pulp in primary teeth?

    <p>The pulp is larger, with higher pulp horns, increasing the risk of exposure</p> Signup and view all the answers

    What are the biological principles involved in cavity preparation for primary teeth?

    <p>Pulp preservation and caries removal</p> Signup and view all the answers

    In cavity preparation for primary teeth, what does the mechanical principle 'resistance form' refer to?

    <p>Creating the shape of the cavity to resist dislodgement of the restoration</p> Signup and view all the answers

    What is the main objective of cavity preparation in primary teeth?

    <p>To protect the vitality of the pulp</p> Signup and view all the answers

    Which type of restorative material requires less need for specific outline form, depth, resistance, retention, and marginal forms in cavity preparation for primary teeth?

    <p>Composite</p> Signup and view all the answers

    What should be the orientation of the buccal and lingual walls in the proximal outline of a Class II cavity preparation?

    <p>Diverge towards the gingival margin of the box</p> Signup and view all the answers

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