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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?

When only a small amount of tooth structure fails Signup and view all the answers

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

Due to including all axial surfaces in the preparation Signup and view all the answers

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

Achieving proper degree of taper or convergence Signup and view all the answers

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

Its cylinder-like configuration and reinforced occlusal surface provide superior strength. Signup and view all the answers

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

By recontouring the buccal and lingual walls, improving access for oral hygiene. Signup and view all the answers

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

It permits modification of the axial tooth contour, within periodontal limits. 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?

Complete cast crowns Signup and view all the answers

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

Extensive tooth structure removal is required, which can adversely affect the pulp and periodontium. Signup and view all the answers

When is a complete cast crown especially important?

When supraerupted teeth are present or the occlusal plane needs to be reestablished. Signup and view all the answers