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Resonator properties of paranasal sinuses: preliminary results of an anatomical study
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2014 (English)In: Rhinology, ISSN 0300-0729, Vol. 52, no 2, 178-182 p.Article in journal (Refereed) Published
Abstract [en]

Background: The contribution of the nasal and paranasal cavities to vocal tract resonator properties is unclear as are voice effects of sinus surgery. Here we investigate resonance phenomena of paranasal sinuses with and without selective occlusion of the middle meatus and maxillary ostium in a cadaver. Methodology: Nasal and paranasal cavities of a Thiel-embalmed cadaver were excited by sine-tone sweeps from an earphone in the epipharynx.The response was picked up by a microphone at the nostrils. Different conditions with blocked and unblocked middle meatus were tested. Additionally, infundibulotomy was performed allowing direct access to and selective occlusion of the maxillary ostium. Results: Responses showed high reproducibility. Minor effects appeared after removal of meatal occlusion. A marked low frequency dip was detected after removal of occlusion of maxillary ostium following infundibulotomy. Conclusion: Reproducible frequency responses of nasal tract can be derived from cadaver measurements. Marked acoustic effects of the maxillary sinus appeared only after direct exposure of the maxillary ostium following infundibulotomy.

Place, publisher, year, edition, pages
2014. Vol. 52, no 2, 178-182 p.
Keyword [en]
resonance, nasal tract, paranasal sinuses, cadaveric study, functional endoscopic sinus surgery
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URN: urn:nbn:se:kth:diva-147739DOI: 10.4193/Rhino13.097ISI: 000336886900016ScopusID: 2-s2.0-84903379443OAI: diva2:732593

QC 20140704

Available from: 2014-07-04 Created: 2014-07-03 Last updated: 2014-07-04Bibliographically approved

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Sundberg, Johan
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Speech Communication and Technology
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