![]() ![]() ![]() As dentists, we have no right to criticize the efficacy of a technique when we don’t use it properly. Unfortunately, they too often aren’t taken to heart by our profession. The 3 points above apply not just to impression-taking but to virtually every dental procedure. ![]() But for all the benefits of digital impressions, there are many situations for which analog impressions are not only highly relevant but clearly preferable. In contrast, digital impressions are much easier for both practitioner and patient. However, it’s very difficult for the practitioner and very uncomfortable for the patient. The fact is that, with the proper technique, it is still possible to use a simple copper band to create a wonderful impression. Using the right materials with those techniques.Using those techniques precisely the way they are designed to be used, and.The key, as I will discuss below, is to create these analog impressions by: Figures 1 and 2 dramatically illustrate just how far we’ve come with dental impression technology. 1970s-a new generation of elastomeric impression materials was introduced, offering more viscosity and elasticity, similar to rubber-based materials, and enabling surface materials to be captured even more accurately.Īnd, of course, now we have the option of taking digital impressions.1960s-reversible hydrocolloid impression materials gained popularity due to the major advancement these hydrophilic materials brought in terms of capturing accurate impressions despite the presence of saliva and blood.1950s-elastomeric impression materials were introduced, featuring silicon-based materials, polyethers, and polysulfides.1940s-alginate materials were introduced. ![]()
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