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Types of Digital Impression Technology. There are two types of digital impression technology currently available for dentists to use. One type captures the images as digital photographs, providing dentists and dental laboratories with a series of images; the other type captures images as digital video. The images can be captured using lasers or digital scanning.
Impressions can be used to create mouth guards, whitening trays, retainers, crowns, bridges, veneers, dentures, and accurate models, among other things. A dental impression is an imprint of the teeth and mouth from which shaped items can be formed. 1  Dental impressions produce a close replica of your teeth and oral tissue. A metal or plastic horseshoe shaped tray is chosen to fit the teeth and gums comfortably. A tray can be molded for either the top teeth, the bottom teeth, or both.