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 (B)</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 (A)</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 (A)</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 (B)</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 (C)</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 (D)</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 (D)</p> Signup and view all the answers

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

<p>Through occlusogingival distance (D)</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 (C)</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 (C)</p> Signup and view all the answers

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

<p>Long posterior teeth (D)</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 (C)</p> Signup and view all the answers

Which advantage is associated with cusp form teeth?

<p>Esthetically more acceptable (A)</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 (B)</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 (C)</p> Signup and view all the answers

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