Document Detail

Pharyngeal airway dimensions after chin cup treatment in Class III malocclusion subjects.
MedLine Citation:
PMID:  19522895     Owner:  NLM     Status:  In-Process    
The objective of this study was to examine if chin cup therapy have any adverse effect on the sagittal pharyngeal dimensions in Class III malocclusion patients. Twenty patients (10 girls and 10 boys; mean age 10.31 +/- 1.15 years) with skeletal Class III malocclusion, and an untreated control group (8 girls and 10 boys, mean age 9.89 +/- 1.55 years) were evaluated. The chin cup appliance and an occlusal bite plate with 600 grams totally was used for 9.78 +/- 0.93 months. Linear, angular and area measurements were evaluated on the cephalometric radiographs taken before and after observation and treatment periods. Treatment changes showed significant increases in maxillary forward position, effective length of the maxilla and the mandible, and vertical facial height measurements. The mandible showed a clockwise rotation revealed by the decrease in SNB and the increase in mandibular plane angles. Significant increase in the nasopharyngeal area was found when the treatment and control groups were compared. The nasopharyngeal airway area was affected by chin cup treatment, without any adverse effect on the pharyngeal airway dimensions in the short term.
B Baloş Tuncer; E Kaygisiz; C Tuncer; S Yüksel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral rehabilitation     Volume:  36     ISSN:  1365-2842     ISO Abbreviation:  J Oral Rehabil     Publication Date:  2009 Feb 
Date Detail:
Created Date:  2009-06-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0433604     Medline TA:  J Oral Rehabil     Country:  England    
Other Details:
Languages:  eng     Pagination:  110-7     Citation Subset:  D; IM    
Department of Orthodontics, Faculty of Dentistry, Gazi University, Ankara, Turkey.
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