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TMJ Internal Derangement Quiz
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TMJ Internal Derangement Quiz

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@MotivatedAlexandrite

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Questions and Answers

What is a characteristic of TMJ internal derangement?

  • No change in range of motion and deviation toward the affected side upon opening
  • Increased range of motion and deviation toward the unaffected side upon opening
  • No change in range of motion and deviation toward the unaffected side upon opening
  • Reduced range of motion and deviation toward the affected side upon opening (correct)
  • What happens in internal derangements of the temporomandibular joint?

  • The articular disc becomes thinner on the condylar head
  • The articular disc becomes displaced from its original position on the condylar head (correct)
  • The articular disc becomes enlarged on the condylar head
  • The articular disc becomes fused to the condylar head
  • What is the main condition in internal derangements of the temporomandibular joint?

  • Fusion of the articular disc
  • Thinning of the articular disc
  • Enlargement of the articular disc
  • Displacement of the articular disc (correct)
  • What shape should the ideal solder joint be in a BL cross-section?

    <p>Circular or elliptical</p> Signup and view all the answers

    Where are connectors for fixed dental prostheses placed more lingually for esthetic reasons?

    <p>Anterior teeth</p> Signup and view all the answers

    Why should the ideal solder joint not be too large?

    <p>To prevent distortion or fracture during function</p> Signup and view all the answers

    Which type of dental ceramics is known for its high glass content and excellent optical properties?

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

    What process is used to produce glass-infiltrated alumina cores rapidly?

    <p>Electrophoretic deposition</p> Signup and view all the answers

    Which type of dental ceramics is often used for veneering stronger substructures due to its poor mechanical strength?

    <p>Feldspathic porcelain</p> Signup and view all the answers

    Which material has significantly higher porcelain bond strength over CAD/CAM produced zirconia and alumina cores without glass?

    <p>Glass-infiltrated alumina</p> Signup and view all the answers

    What is the primary reason for using silica-based ceramics in dental restorations?

    <p>Excellent optical properties</p> Signup and view all the answers

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