Dental Pontics and Their Requirements
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Questions and Answers

What is the main function of a pontic in a fixed partial denture?

  • Prevent adjacent teeth from tilting or drifting (correct)
  • Allow space for strong connectors to prevent prosthesis fracture
  • Control deflection to prevent torque fracture
  • Replace the coronal part of missing natural teeth
  • What does the term 'pons' mean in Latin?

  • Tooth
  • Ridge
  • Connector
  • Bridge (correct)
  • Why should the pontic design be cleansable and hygienic?

  • To prevent ridge irritation
  • To prevent soft tissue inflammation
  • To maintain adjacent teeth position
  • To facilitate plaque control (correct)
  • What is the purpose of making the pontic material biocompatible?

    <p>To be compatible with the body's tissues</p> Signup and view all the answers

    What aspect of the pontic is affected by the mesiodistal dimension and occlusogingival dimension?

    <p>Span dimension</p> Signup and view all the answers

    What is the primary purpose of pontics in terms of esthetic requirements?

    <p>To restore natural emergence profile especially at the pontic tissue junction</p> Signup and view all the answers

    In what situation is the modified ridge lap technique used?

    <p>In cases where the ridge has collapsed significantly</p> Signup and view all the answers

    What is the mechanical principle related to pontic dimension and span length?

    <p>Pontics with greater occlusogingival dimension should be selected in long span cases</p> Signup and view all the answers

    What is the purpose of using pink porcelain in pontics?

    <p>To fill embrasures with pink porcelain to give the illusion of gingival embrasures</p> Signup and view all the answers

    In which situation are pontics placed as close as possible to the interabutment axis?

    <p>In long span cases to minimize flexing</p> Signup and view all the answers

    What type of arch curvature produces a torquing movement when replacing 4 maxillary incisors in pointed arches?

    <p>V-shaped arch</p> Signup and view all the answers

    Forces on a single restoration are mostly in which direction?

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

    Which material is mentioned as the most rigid alloy for pontic fabrication?

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

    What is the primary purpose of pontics in terms of occlusal contacts?

    <p>To maintain occlusal contacts</p> Signup and view all the answers

    What abutments should be added in the opposite direction to the lever arm for proper alignment of the dental arch?

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

    What type of pontic design should be cleansable and hygienic?

    <p>Modified ridge lap pontic</p> Signup and view all the answers

    What is the inclination that pontics should have for proper alignment of the dental arch?

    <p>Same inclination as opposing teeth</p> Signup and view all the answers

    What is the effect of reducing the buccolingual pontic width at the expense of the lingual surface?

    <p>Improved esthetics</p> Signup and view all the answers

    "Pons" as a term in Latin does NOT relate to which aspect of the pontic?

    <p>Material composition</p> Signup and view all the answers

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