Document Detail

Closest speaking space during the production of sibilant sounds and its value in establishing the vertical dimension of occlusion.
MedLine Citation:
PMID:  8496479     Owner:  NLM     Status:  MEDLINE    
The purpose of this investigation was to determine whether the production of sibilant sounds involved adopting a jaw position that corresponded to the closest vertical speaking space (CSS), by analysis of the smallest vertical excursion of the mandible during the performance of different phonetic exercises. A further objective was to establish the variability in the CSS produced by individual sibilant phonemes. Thirty young adult subjects had their CSS determined during three separate phonetic tests, using a kinesiograph (Sirognathograph, Siemens A.G., Benshiem, Germany) and a Bio-Pak (BioResearch Associates Inc., Milwaukee, WI) jaw-tracking software program. The first test was a general phonetic articulation test containing all the sounds of the English language and specifically including all six sibilant word sounds. The second phonetic test contained the six sibilant sound making up a short sentence. The third test included six single words, each expressing a different sibilant sound. No statistically significant difference among the mean CSS determined in each of three exercises was demonstrable. A phonetic test containing all sibilant sounds produced a CSS equivalent to that of a test containing all speech sounds. The vertical component of the CSS was also independent of the form or duration of the phonetic tests containing the sibilant word sounds used in this investigation. The CSS determined for 5 of the individual sibilant phonemes in the third exercise differed (p < 0.05) from that calculated for the three complete exercises. It was concluded that voicing sibilant phonemes, or word sounds, does cause the subject to adopt the CSS.(ABSTRACT TRUNCATED AT 250 WORDS)
C A Burnett; T J Clifford
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of dental research     Volume:  72     ISSN:  0022-0345     ISO Abbreviation:  J. Dent. Res.     Publication Date:  1993 Jun 
Date Detail:
Created Date:  1993-06-24     Completed Date:  1993-06-24     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0354343     Medline TA:  J Dent Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  964-7     Citation Subset:  D; IM    
Department of Restorative Dentistry, School of Clinical Dentistry, Queen's University of Belfast, Northern Ireland, United Kingdom.
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MeSH Terms
Jaw Relation Record
Mandible / physiology
Speech Articulation Tests*
Vertical Dimension*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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