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Questions and Answers
Which factor contributes to the greater retentiveness of molar crowns compared to premolar crowns?
Which factor contributes to the greater retentiveness of molar crowns compared to premolar crowns?
- Roughness of the fitting surface
- Presence of grooves or pins
- Type of luting cement
- Greater diameter of molar teeth (correct)
Why is roughening the tooth preparation not recommended?
Why is roughening the tooth preparation not recommended?
- It limits the path of withdrawal
- It leads to stress concentration (correct)
- It increases retention
- It affects the type of luting cement
What effect does adding grooves or pins have on surface area and retention?
What effect does adding grooves or pins have on surface area and retention?
- Increases retention but decreases surface area (correct)
- Does not affect surface area but increases retention
- Increases both surface area and retention
- Increases surface area but limits path of withdrawal
Why are crowns with tall axial walls more retentive than those with short axial walls?
Why are crowns with tall axial walls more retentive than those with short axial walls?
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How does the type of luting cement affect retention?
How does the type of luting cement affect retention?
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