US Library > Dental Assisting > General Procedures > Dental Impressions

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Dental Impressions NEW

Dental Assisting > General Procedures
This module provides knowledge on how to prepare for and take dental impressions.

Dental impressions are taken to replicate the form of teeth and other oral structures of the mouth. It is important for the dental assistant to be proficient in taking dental impressions, as they will be executing this task often in the dental office. This module provides knowledge on how to prepare for and take alginate and digital impressions. You will learn how to take maxillary and mandibular alginate impressions, as well as the proper techniques for taking digital impressions. Including both Learn and Test modes, the online simulator offers clinical scenarios that test your ability to take a dental impression. Practice the steps of the procedures online as often as you want, until you feel confident.

You'll learn 

  • the steps for how mix alginate
  • the steps for how to take a mandibular and maxillary impression
  • the different types of impression trays
  • the techniques for evaluating impressions
  • how to apply proper techniques for digital impressions
  • much more (see Content Details for more specific information)
Step 1 - Preparation
Step 1.1 - Equipment preparation
Step 1.2 - Dental assistant preparation
Step 1.3 - Patient preparation
Step 2 - Procedure
Step 2.1 - Explain procedure to patient
Step 2.2 - Selection of trays
Step 2.3 - Mixing alginate
Step 2.4 - Taking mandibular impression
Step 2.4.1 - Loading mandibular tray
Step 2.4.2 - Seating mandibular tray
Step 2.4.3 - Removal of mandibular tray
Step 2.5 - Taking maxillary impression
Step 2.5.1 - Loading maxillary tray
Step 2.5.2 - Removal of maxillary tray
Step 2.6 - Evaluating impressions
Step 2.7 - Disinfecting impressions
Step 2.8 - Digital impressions
Step 3 - Complete the procedure
Step 3.1 - Dismiss the patient
Step 3.2 - Discard materials
Step 3.3 - Disinfect equipment and treatment area
Step 3.4 - Complete the documentation
  • Describe pre-procedure considerations for dental impressions with alginate.
  • Distinguish among types of impression trays and their different uses.
  • Apply the standards for the preparation of materials for alginate dental impressions and digital impressions.
  • Demonstrate proper mixing technique of dental alginate.
  • Differentiate between a proper consistency mix of alginate and an improper mix.
  • Practice the proper technique in taking of both maxillary and mandibular alginate impressions in a simulated setting.
  • Apply proper techniques for digital impressions.
  • Differentiate between a good and a poor dental impression.
  • Describe clinical safety precautions concerning dental impressions according to Occupational Safety and Health Administration (OSHA) guidelines.
  • Describe the purpose of the state Dental Practice Act and its relevance for dental assistants.
  • Explain the Patient Privacy Rule (HIPAA), Patient Safety Act, and Patients' Bill of Rights.

The SIMTICS modules are all easy to use and web-based. This means they are available at any time as long as the learner has an internet connection. No special hardware or other equipment is required, other than a computer mouse for use in the simulations. Each of the SIMTICS modules covers one specific procedure or topic in detail. Each module contains:

  • an online simulation (available in Learn and Test modes)
  • descriptive text, which explains exactly how to perform that particular procedure including key terms and hyperlinks to references
  • 2D images and a 3D model of applied anatomy for that particular topic
  • a step by step video demonstration by an expert
  • a quiz
  • a personal logbook that keeps track of all the modules the learner has studied and how long

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