Pharyngeal airway increases with LARS treatment for retrognathia

Cranio : the Journal of Craniomandibular Practice
Eugene H Williamson

Abstract

To assess the lower pharyngeal airway sagittal width on lateral cephalograms before and after the use of a mandibular advancement device (MAD) on Class II patients and to compare the results to a control group of non-treated Class II individuals. All patients were Class II, ranging in age from 9 to 12 years. They were all treated with a MAD, referred to as a ligated anterior repositioning splint, which was fixed in the mouth for full-time wear. Measurements of the lower pharyngeal airway were made on before- and after-treatment cephalograms. A control group of Class II patients of similar age were selected from several growth studies, and comparisons were made. A significant increase (p < .01) resulted from the treatment group; there was no change from the controls. These findings support the effectiveness of a MAD to increase the lower pharyngeal airway in growing Class II patients.

References

Apr 1, 1975·The Journal of Physiology·H S Milner-Brown, R B Stein
Jun 1, 1990·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·R L BoydJ L Laskin
Jun 1, 1983·The Journal of Prosthetic Dentistry·E H Williamson, D O Lundquist
Jul 1, 1993·Cranio : the Journal of Craniomandibular Practice·E H WilliamsonJ D Zwemer
Jul 18, 2002·American Journal of Respiratory and Critical Care Medicine·Yüksel PekerJan Carlson
Mar 15, 2011·European Journal of Orthodontics·Mariana B VizzottoHeloísa E Silveira
Oct 16, 2015·The Open Dentistry Journal·Pegah Bronoosh, Leila Khojastepour

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