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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.
Dentists use a variety of tools to create impressions so that the substitutes will fit properly. Impression trays help dentists create templates for bridges and crowns. Wax knives are sometimes used to carve models. Crown pullers help dentists remove caps or crowns that have been cemented in place.