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Two-dimensional lateral cephalometric evaluation of varying types of Class II subgroups on posterior airway space in postadolescent girls: a pilot study. (Oz, Ulas.)

Bibliographical information (record 266688)

Two-dimensional lateral cephalometric evaluation of varying types of Class II subgroups on posterior airway space in postadolescent girls: a pilot study.
Author:	Oz, Ulas. Search Author in Amazon Books
Publisher:	Urban & Vogel,

Edition:	2013.
Classification:	WU29
URL:	http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.1007/s00056-012-0121-0

Detailed notes

- The purpose of this study was to compare pharyngeal airway linear measurements of untreated skeletal Class II subjects with low-, neutral- and high-angle facial patterns and a skeletal Class I control group of postadolescent girls. We enrolled 50 postadolescent girls in this study. The Class II,1 cohort included subjects presenting ANB angles greater than 4A degrees. Subjects were categorized as belonging to one of three different rotation models: high, neutral and low angles. ANOVA and Duncan's tests were used to identify differences within and among groups (p < 0.05). Pharyngeal airway measurements were significantly smaller (p < 0.05) in the high-angle Class II group. In addition, the narrowest linear measurements of the oropharynx (ph-pph) were also smaller in the high-angle Class II group (p=0.055). Soft palate thickness (sp1-sp2) was significantly greater (p < 0.05) in the low-angle Class II group. That smaller airway measurements in only the high-angle Class II subjects were noted confirms an association between pharyngeal airway measurements and a vertical skeletal pattern. However, we could not ascertain that a sagittal jaw relationship had an effect on airway space.