Complete Cast Crown in Dentistry
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Questions and Answers

What is the main advantage of a complete cast crown in terms of retention?

  • It has better esthetic outcome
  • It requires less tooth structure removal
  • It is less expensive compared to other restorations
  • It has greater retention due to including all axial surfaces (correct)

Why is it important to remove adequate tooth structure during the preparation for a complete cast crown?

  • To speed up the preparation process
  • To reduce the cost of the crown
  • To enhance the esthetic appearance of the crown
  • To preserve tooth structure and avoid weakening the crown (correct)

How does the retention of a complete cast crown compare to a partial-coverage restoration?

  • Complete cast crowns have better retention (correct)
  • Partial-coverage restorations have better retention
  • Both types of restorations have similar retention
  • Partial-coverage restorations have equal retention

In what scenario would a partial veneer crown be more likely to rotate off the tooth?

<p>When only a small amount of tooth structure fails (A)</p> Signup and view all the answers

Why does a complete cast crown have better resistance form compared to a partial-coverage restoration?

<p>Due to including all axial surfaces in the preparation (C)</p> Signup and view all the answers

What is a key consideration for preparing axial walls of a complete cast crown?

<p>Achieving proper degree of taper or convergence (B)</p> Signup and view all the answers

Which of the following is a key advantage of a complete cast crown?

<p>Its cylinder-like configuration and reinforced occlusal surface provide superior strength. (C)</p> Signup and view all the answers

How does a complete cast crown allow for better access to furcations?

<p>By recontouring the buccal and lingual walls, improving access for oral hygiene. (C)</p> Signup and view all the answers

What is a significant advantage of a complete cast crown when dealing with malaligned teeth?

<p>It permits modification of the axial tooth contour, within periodontal limits. (D)</p> Signup and view all the answers

Which type of restoration is often necessary for creating properly shaped survey lines, guide planes, and occlusal rests for removable partial dentures?

<p>Complete cast crowns (C)</p> Signup and view all the answers

What is a disadvantage of a complete cast crown mentioned in the text?

<p>Extensive tooth structure removal is required, which can adversely affect the pulp and periodontium. (B)</p> Signup and view all the answers

When is a complete cast crown especially important?

<p>When supraerupted teeth are present or the occlusal plane needs to be reestablished. (C)</p> Signup and view all the answers

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