The Mysterious Cartilaginous/Bony Ear Canal Junction

Research related to the occlusion effect (OE) suggests that the OE is minimized when contact of the ear insert (closed coupled in this case) is made with the bony ear canal1,2.  Measurements of the OE for various in-canal devices are numerous and essentially support this conclusion.  But, to what extent does the cartilaginous/bony ear canal…

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The Otoblock Myth Busted by Reality

Ear Impression Block Placement – The Otoblock Myth Busted by Reality   Opening Salvo   Most documents that instruct individuals on how to take ear impressions provide some misleading information, especially when describing the purpose and placement of the otoblock/block/dam/otostop.  This series of posts is intended to show how the otoblok myth is busted by…

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