Podcast
Questions and Answers
What is the purpose of the Reverse S Curve shape in a Class II amalgam preparation?
What is the purpose of the Reverse S Curve shape in a Class II amalgam preparation?
- Creates a wider form for better amalgam retention
- Enhances the esthetic appearance of the restoration
- Improves resistance to amalgam fracture (correct)
- Facilitates easier access for condensing amalgam
Why is the axial wall of a Class II amalgam preparation typically made convex?
Why is the axial wall of a Class II amalgam preparation typically made convex?
- To create a more aesthetically pleasing finish
- To make it easier to remove the restoration if needed
- To strengthen the preparation and improve amalgam retention (correct)
- To allow for better visualization during the restoration process
What is the primary benefit provided by the gingival floor of a Class II amalgam preparation?
What is the primary benefit provided by the gingival floor of a Class II amalgam preparation?
- Improves adaptation of the restoration to the cavity walls (correct)
- Helps prevent microleakage around the restoration
- Enhances the emergence profile of the restoration
- Allows for better condensation of amalgam material
Why is the buccal wall of a Class II amalgam preparation designed to meet the tooth surface at a 90Ëš exit angle?
Why is the buccal wall of a Class II amalgam preparation designed to meet the tooth surface at a 90Ëš exit angle?
What is the significance of creating a retention groove in a Class II amalgam preparation?
What is the significance of creating a retention groove in a Class II amalgam preparation?
What is the purpose of ensuring Gingival Contact is open at least 0.5 mm in Class II Amalgam Preparation?
What is the purpose of ensuring Gingival Contact is open at least 0.5 mm in Class II Amalgam Preparation?
What should be the mesiodistal thickness of the marginal ridge in Class II Amalgam Preparation according to the lab manual?
What should be the mesiodistal thickness of the marginal ridge in Class II Amalgam Preparation according to the lab manual?
What does Step 3 involve in Class II Amalgam Preparation according to the provided text?
What does Step 3 involve in Class II Amalgam Preparation according to the provided text?
What motion is recommended while ditching for the box in Class II Amalgam Preparation?
What motion is recommended while ditching for the box in Class II Amalgam Preparation?
How much should the walls converge in Class II Amalgam Preparation according to the lab manual?
How much should the walls converge in Class II Amalgam Preparation according to the lab manual?
