3D Printing

Much has been written about 3D printing.  For those who fit hearing aids, especially custom-molded types, or earmolds, many of us have been told that the shells have been 3D printed.  But, what does this actually mean?   What is 3D Printing? This is known also as desktop fabrication, or additive manufacturing.  It is unique…

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Ear Impression Terms – Part 2

Terminology associated with ear impression material is sometimes confusing to those who take ear impressions on a routine basis.  This post continues the discussion on ear impression terms from a previous post. Compression Set   This is the amount of permanent deformation resulting when a material is compressed to a specific deformation for a specified…

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