Dental Impression Techniques Quiz

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Questions and Answers

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 (correct)
  • The type of putty used
  • The material used for the spacer
  • The thickness of the putty

Which of the following impression techniques involves the use of a polyethylene spacer?

  • 2-step Putty/wash technique (correct)
  • Hydrocolloid laminate technique
  • Dual-phase impression technique
  • 1-step Putty/wash technique

What is the term for the technique that involves applying a thin layer of impression material to a prepared tooth?

  • Spacer
  • Carving
  • Putty
  • Wash (correct)

Which of the following is NOT a type of impression technique?

<p>Crown lengthening technique (B)</p> Signup and view all the answers

What is the term for the technique that involves applying a single material that sets in two stages?

<p>Single-step two-phase (D)</p> Signup and view all the answers

How many impression techniques are listed in the provided text?

<p>XII (C)</p> Signup and view all the answers

What is a limitation of the 1-step technique in digital impressions?

<p>Difficulty in reproducing areas deep in the sulcus due to low insertion pressure (D)</p> Signup and view all the answers

What is the purpose of the light-bodied material in the 1-step putty/wash technique?

<p>To apply a second layer on the putty tray material and around the teeth (C)</p> Signup and view all the answers

What is the difference between the 1-step putty/wash technique and the 1-step 'sandwich' technique?

<p>The number of layers used in each technique (B)</p> Signup and view all the answers

What is the benefit of using a light-bodied material with very good flow properties in digital impressions?

<p>It provides a high level of detail and accuracy (B)</p> Signup and view all the answers

What is the recommended material for subgingival areas in digital impressions?

<p>Not recommended to use a specific material for subgingival areas (D)</p> Signup and view all the answers

What is the purpose of the putty tray material in digital impressions?

<p>To serve as a tray material in combination with a light-bodied material (C)</p> Signup and view all the answers

What is the primary purpose of using a custom tray in the monophase technique?

<p>To support the material flow into small gaps and avoid flow defects (B)</p> Signup and view all the answers

What type of material consistency is used in the monophase technique for both the tray material and syringing the abutments?

<p>Type 2, medium-viscosity (B)</p> Signup and view all the answers

Which machine is used in the Automix Technique to mix the impression material?

<p>Pentamix machine (B)</p> Signup and view all the answers

What is the purpose of applying a light body material with good flow properties in the two-step technique?

<p>To improve the accuracy of the impression (A)</p> Signup and view all the answers

What is the primary advantage of using a two-step technique over a one-step technique?

<p>It provides a higher level of accuracy and detail (A)</p> Signup and view all the answers

What is the purpose of covering the putty material with a polyethylene spacer in the two-step technique?

<p>To create a space for the light body material to flow into (A)</p> Signup and view all the answers

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