Ear Impression Terminology

Ear impression material has been developed to provide certain characteristics to enable it to provide as accurate a representation of the concha and/or ear canal as possible. This means that it should flow properly, provide an accurate image of what it comes in contact with, set up properly without distortion, remove without distortion or breakage,…

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Ethyl Methacrylate to Silicone Ear Impressions

Ear impression material is basically a compound (substance formed from two or more elements) with polymer, or a blend of polymers, as the fundamental component in determining the impression material properties.  Affecting the polymer makeup are the type of molecular forces that are applied.  Monomers (one part) are the building blocks that when bonded together…

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