Podcast
Questions and Answers
What is the primary purpose of an impression in crown and bridge prosthodontics?
What is the primary purpose of an impression in crown and bridge prosthodontics?
- To create a negative likeness of the teeth and surrounding oral tissues
- To allow for accurate articulation of the cast and proper contouring of the restoration
- To create a bubble-free impression of the prepared tooth
- To accurately reproduce the preparation of the tooth and surrounding tissues (correct)
Which property of the impression material is important for capturing undercut regions on the external tooth surface?
Which property of the impression material is important for capturing undercut regions on the external tooth surface?
- Hydrophilicity
- Ability to accurately duplicate the tooth preparation
- Elasticity (correct)
- Bubble-free nature
What is the role of hydrophilicity in an impression material used for crowns and bridges?
What is the role of hydrophilicity in an impression material used for crowns and bridges?
- It allows the material to be easily removed from the mouth
- It enhances the material's ability to capture surface detail (correct)
- It helps the material to accurately reproduce the tooth preparation
- It ensures the material is bubble-free when set
Why is it important for an impression to be bubble-free?
Why is it important for an impression to be bubble-free?
What is the purpose of reproducing the adjacent teeth and tissues in the impression?
What is the purpose of reproducing the adjacent teeth and tissues in the impression?
What is the primary characteristic of hydrophobic impression materials?
What is the primary characteristic of hydrophobic impression materials?
What property is essential for impression materials to ensure safe removal from the mouth?
What property is essential for impression materials to ensure safe removal from the mouth?
Which of the following is NOT a factor that can cause dimensional changes in impression materials?
Which of the following is NOT a factor that can cause dimensional changes in impression materials?
What is the critical requirement for impression materials regarding the replication of intraoral structures?
What is the critical requirement for impression materials regarding the replication of intraoral structures?
Which property of impression materials is essential for accurately capturing fine details?
Which property of impression materials is essential for accurately capturing fine details?
