[Impressions techniques--Part 2].

S. Levartovsky, M. Masri, E. Alter, R. Pilo

Research output: Contribution to journalArticlepeer-review

Abstract

A dental impression is a positive replica of the teeth, the surrounding gingiva and the border between them; the purpose of which is to create an accurate master model. Two major techniques for impressions exist today: The conventional and the digital impressions. The current article describes both techniques. In the conventional impressions, it is important to choose a proper tray, stock or custom, and to mix the material properly. The commonly used impression techniques for making a conventional impression are described with a review on the effect of the technique on its accuracy. The effect of the wash bulk on the accuracy of the stone dies and/or the restoration is discussed, as well. The digital impressions with their advantages and disadvantages are described in comparison to the conventional impressions. Although, digital impressions eliminate some of the negative characteristics of conventional impressions, proper soft-tissue management and isolation of tooth preparation margins is still mandatory.

Original languageEnglish
Pages (from-to)33-38, 71
JournalUnknown Journal
Volume29
Issue number4
StatePublished - Oct 2012

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