Dental Impression Making

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Questions and Answers

What is the purpose of a preliminary impression?

To create a master cast for the denture fabrication
To make a study (diagnostic) cast for custom impression trays (correct)
To diagnose oral health conditions
For the construction of a final denture

What is a complete denture impression?

An impression used to create a master cast for partial dentures
An impression made in a stock tray for diagnostic purposes
A positive reproduction of the edentulous mouth
A negative registration of the entire denture bearing, stabilizing, and border seal areas (correct)

What is the purpose of a final (secondary) impression?

For diagnosis of oral health conditions
To make the master cast for denture fabrication (correct)
For the construction of a preliminary cast
To create custom impression trays

What defines an impression tray?

The part used to carry the impression material into the mouth (B) Signup and view all the answers

What is a preliminary impression used for?

Making a study (diagnostic) cast upon which custom impression trays will be fabricated (B) Signup and view all the answers

What is the purpose of a preliminary impression?

To make a study (diagnostic) cast for fabricating custom impression trays (A) Signup and view all the answers

What is a complete denture impression used for?

Negative registration of denture bearing, stabilizing, and border seal areas (C) Signup and view all the answers

What defines an impression tray?

It holds the impression material during the process (B) Signup and view all the answers

What is the purpose of a final (secondary) impression?

To produce a more accurate impression in a custom tray (A) Signup and view all the answers

What materials are used for making an impression?

Elastomeric materials, such as silicone and polyether (A) Signup and view all the answers

Study Notes

Impression in Dentistry

A preliminary impression is used to create a replica of the patient's oral cavity, providing a general understanding of the patient's mouth and helping to identify potential problems.

Types of Impressions

A complete denture impression is a detailed replica of the patient's oral cavity, used to create a precise fit for the denture.
A final (secondary) impression is used to refine the details of the denture, ensuring a precise fit and optimal function.

Impression Trays

An impression tray is a device used to carry and support the impression material during the impression-making process.

Purpose of Impressions

The purpose of a preliminary impression is to create a preliminary model, identify potential problems, and plan the denture fabrication process.
The purpose of a final (secondary) impression is to refine the details of the denture, ensuring a precise fit and optimal function.

Impression Materials

Various materials are used for making impressions, including alginate, elastomers, and wax.

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Description

Test your knowledge on the steps and materials involved in making dental impressions, as well as the objectives of preliminary impressions. This quiz covers the basics of C D fabrication and learning outcomes in prosthodontics.