Podcast
Questions and Answers
What is the primary mechanism by which impression waxes set?
What is the primary mechanism by which impression waxes set?
- Chemical reaction
- Physical change on applying heat (correct)
- Curing through light exposure
- Evaporation of a solvent
What is a major limitation of impression waxes in dentistry?
What is a major limitation of impression waxes in dentistry?
- They are difficult to use
- They are too expensive
- They are very weak and have poor mechanical properties (correct)
- They have high mechanical strength
What is the typical ratio of low-melting paraffin to beeswax in impression waxes?
What is the typical ratio of low-melting paraffin to beeswax in impression waxes?
- 1:1
- 2:1
- 3:1 (correct)
- 1:3
What is a common use of impression wax in dentistry?
What is a common use of impression wax in dentistry?
What is a characteristic of impression waxes that can lead to distortion during withdrawal from undercuts?
What is a characteristic of impression waxes that can lead to distortion during withdrawal from undercuts?
What is the typical state of impression wax at mouth temperature?
What is the typical state of impression wax at mouth temperature?
What is the primary function of corrective impression wax in dentistry?
What is the primary function of corrective impression wax in dentistry?
What is the main characteristic of impression compound that makes it a thermoplastic material?
What is the main characteristic of impression compound that makes it a thermoplastic material?
What is the primary use of impression compound in dentistry?
What is the primary use of impression compound in dentistry?
What is the advantage of using addition silicone and polyether materials for bite registration?
What is the advantage of using addition silicone and polyether materials for bite registration?
What is the composition of impression compound?
What is the composition of impression compound?
What is the limitation of using impression compound in dentistry?
What is the limitation of using impression compound in dentistry?
What is the primary characteristic of impression wax that affects its ability to reproduce surface details?
What is the primary characteristic of impression wax that affects its ability to reproduce surface details?
Why is impression wax not used to record undercuts?
Why is impression wax not used to record undercuts?
What is the purpose of tempering the impression wax?
What is the purpose of tempering the impression wax?
What is the limitation of impression wax in terms of dimensional stability?
What is the limitation of impression wax in terms of dimensional stability?
How is the impression wax removed from the cast after the stone or plaster has set?
How is the impression wax removed from the cast after the stone or plaster has set?
What is the technique used to improve the reproduction of surface details using impression wax?
What is the technique used to improve the reproduction of surface details using impression wax?
