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Re: Ear impression taking technique?

Richard,

Make sure you leave the nozzle tip in the impression material at all times.  Fill up the canal, let the material flow out of the canal before moving to the concha and helix.  The type of impression material makes a big difference.  The newer Westone material for their gun works very well.

Don't forget to ask if the subject has had a mastoidectomy prior to inserting the otoblock.  

Best,

Andy Vermiglio

 -----Original Message-----
From:   AUDITORY  Research in Auditory Perception [mailto:AUDITORY@LISTS.MCGILL.CA]  On Behalf Of Richard H.
Sent:   Saturday, April 24, 2004 1:13 PM
To:     AUDITORY@LISTS.MCGILL.CA
Subject:        Ear impression taking technique?

Hi,

If you have experience of earmould impression taking, I would appreciate your advice.

As a beginner I'm not sure what the best sequence is.

I know you start injecting the resin with the syringe/gun nozzle at the otoblock ... but how do you clearly define the concha and
helix edges etc whilst maintaining flow without creases, air bubbles etc? What sequence/movements/tricks do YOU use to get a
precise, fault free impression?

[I have tried various sequences whilst making the impression - but my results are variable ... I'm sure there must be a "best" way]

Thanks!

regards,

Richard





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