Prosthodontics: Selection of Posterior Teeth Quiz
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Questions and Answers

Which type of teeth is generally preferred for young people due to their vital appearance and difficulty to abrade?

  • Porcelain teeth (correct)
  • Acrylic teeth
  • Neither acrylic nor porcelain teeth
  • Both acrylic and porcelain teeth

    • What is a characteristic difference between acrylic and porcelain teeth in terms of maintenance of luster over time?

  • Acrylic teeth maintain luster better than porcelain teeth
  • Both acrylic and porcelain teeth maintain luster equally well
  • Neither acrylic nor porcelain teeth maintain luster for a long time
  • Porcelain teeth maintain luster better than acrylic teeth (correct)

    • Which type of teeth exhibits more resistance to abrasion among the two types discussed?

  • Acrylic teeth
  • Porcelain teeth (correct)
  • Both acrylic and porcelain teeth
  • Neither acrylic nor porcelain teeth

    • What type of bonding is used with acrylic teeth compared to porcelain teeth?

    <p>Mechanical bonding by pins</p> Signup and view all the answers

    Which type of teeth transmits more forces to the mucosa as mentioned in the text?

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

    How do the thermal expansion characteristics of acrylic and porcelain denture bases compare?

    <p>Acrylic denture base expands more than the porcelain denture base</p> Signup and view all the answers

    What is the purpose of selecting posterior teeth based on color?

    <p>To match the shade of anterior teeth</p> Signup and view all the answers

    Why should the bucco-lingual width of posterior teeth be narrower than natural teeth?

    <p>To decrease occlusal surface area</p> Signup and view all the answers

    What determines the mesio-distal length of upper posterior teeth?

    <p>Distance between canine line and anterior border of maxillary tuberosity</p> Signup and view all the answers

    What should be avoided in placing posterior teeth to prevent denture dislodgment?

    <p>Inclining the tooth on a plane</p> Signup and view all the answers

    How is the vertical height or length of posterior teeth controlled?

    <p>Through occlusogingival distance</p> Signup and view all the answers

    Why are maxillary first premolars sometimes used for esthetic purposes more than function?

    <p>They have lighter colors than other posterior teeth</p> Signup and view all the answers

    What should be the length relationship between the maxillary first premolar and the maxillary canine for proper esthetic effect?

    <p>The length of the maxillary first premolar should be comparable to the maxillary canine</p> Signup and view all the answers

    Which type of posterior teeth are generally more esthetic in appearance?

    <p>Long posterior teeth</p> Signup and view all the answers

    What is another term for non-cusp form teeth based on cusp angles?

    <p>Monoplane or zero degree teeth</p> Signup and view all the answers

    Which advantage is associated with cusp form teeth?

    <p>Esthetically more acceptable</p> Signup and view all the answers

    Which advantage is associated with non-cusp form teeth in patients with uncoordinated neuromuscular control?

    <p>Offer less resistance to lateral forces</p> Signup and view all the answers

    What are the two main types of materials for anterior teeth mentioned in the text?

    <p>Porcelain and Acrylic teeth</p> Signup and view all the answers

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