18 Questions
What is the primary difference between the 1-step Putty/wash technique and the 2-step Putty/wash technique?
The order of application of the putty and wash
Which of the following impression techniques involves the use of a polyethylene spacer?
2-step Putty/wash technique
What is the term for the technique that involves applying a thin layer of impression material to a prepared tooth?
Wash
Which of the following is NOT a type of impression technique?
Crown lengthening technique
What is the term for the technique that involves applying a single material that sets in two stages?
Single-step two-phase
How many impression techniques are listed in the provided text?
XII
What is a limitation of the 1-step technique in digital impressions?
Difficulty in reproducing areas deep in the sulcus due to low insertion pressure
What is the purpose of the light-bodied material in the 1-step putty/wash technique?
To apply a second layer on the putty tray material and around the teeth
What is the difference between the 1-step putty/wash technique and the 1-step 'sandwich' technique?
The number of layers used in each technique
What is the benefit of using a light-bodied material with very good flow properties in digital impressions?
It provides a high level of detail and accuracy
What is the recommended material for subgingival areas in digital impressions?
Not recommended to use a specific material for subgingival areas
What is the purpose of the putty tray material in digital impressions?
To serve as a tray material in combination with a light-bodied material
What is the primary purpose of using a custom tray in the monophase technique?
To support the material flow into small gaps and avoid flow defects
What type of material consistency is used in the monophase technique for both the tray material and syringing the abutments?
Type 2, medium-viscosity
Which machine is used in the Automix Technique to mix the impression material?
Pentamix machine
What is the purpose of applying a light body material with good flow properties in the two-step technique?
To improve the accuracy of the impression
What is the primary advantage of using a two-step technique over a one-step technique?
It provides a higher level of accuracy and detail
What is the purpose of covering the putty material with a polyethylene spacer in the two-step technique?
To create a space for the light body material to flow into
Test your knowledge of different impression techniques used in dentistry, including 2-step and 1-step putty/wash techniques and monophase impressions.
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