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The European Journal of Orthodontics Advance Access published online on November 13, 2006
The European Journal of Orthodontics, doi:10.1093/ejo/cjl051
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© The Author 2006. Published by Oxford University Press on behalf of the European Orthodontic Society. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org.

Article

Preliminary radiographic observations of the tongue-repositioning manoeuvre

Wilfried G. H. Engelke 1 *, Milagros Mendoza 1, and German Repetto 1

1 Department of Oral Surgery, Georg-August-Universität Göttingen, Germany

* To whom correspondence should be addressed.
Wilfried G. H. Engelke, E-mail: wengelke{at}med.uni-goettingen.de


  Abstract

The tongue-repositioning manoeuvre (TRM) is a method to place the tongue in direct contact with the hard palate. The TRM makes use of voluntary generation of negative interocclusal pressure controlled by an intra-extraoral pressure indicator device in combination with an oral shield. The aim of the study was to investigate whether the TRM influences vertical tongue position and/or tongue-velum contact.

Ninety consecutive patients (75 males, aged 26-76 years, and 15 females, aged 36-70 years) who presented with snoring and/or obstructive sleep apnoea (OSA) were examined at the University of Göttingen. Two cephalograms, with and without the TRM, were taken and traced. The data were analysed using Wilcoxon matched-pairs signed-rank test.

Evaluation of the TRM demonstrated a significant increase (P < 0.01) of the mean tongue-velum contact from 6.3 to 24.5 mm and a significant decrease (P < 0.01) of the mean tongue-palate distance (12.3-3.1 mm) measured perpendicular to the nasal line. This was compatible with an intensification of posterior mouth closure and a contact position of the tongue with the palate.


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