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Paper Information

Journal:   JOURNAL OF SHAHID SADOUGHI UNIVERSITY OF MEDICAL SCIENCES AND HEALTH SERVICES   Fall 2004 , Volume 12 , Number 3; Page(s) 12 To 12.
 
Paper: 

THE COMPARISON OF NASOPHARYNGEAL CEPHALOMETRIC MEASUREMENTS BETWEEN TWO GROUPS WITH ANTERIOR AND POSTERIOR OBSTRUCTIONS OF NASAL AIRWAY

 
 
Author(s):  TOUDEH ZAEIM MOHAMMAD HOSSEIN, BAGHERSAD M.R.
 
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Abstract: 
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Introduction: Two main causes of nasal airway obstruction and mouth breathing Consist: 1- anterior nasal

obstruction is caused by obstruction in nasal cavity, 2- posterior (nasopharyngeal) obstruction is caused by

adenoid enlargement and decreased nasopharyngeal airway. The purpose of this study was the comparison of

nasopharyngeal cephalometric measurements between two groups of mouth breathing with anterior (nasal

cavity) and posterior (nasopharyngeal) obstructions.

Methods: In this descriptive study, a sample of 79 mouth breathers between the ages of 7 and 15 years old

were selected in two anterior and posterior nasal obstruction groups. The sample had 39 patients with

nasopharyngeal obstruction and mean of 10.87 years old in posterior obstruction group and 40 patients with

nasal cavity obstruction without nasopharyngeal obstruction and mean of 10.97 years old in anterior

obstruction group. After clinical examination by orthodontist, type of obstruction was diagnosed by ENT

specialist .For each patient a lateral cephalogram was taken in centric occlusion. After tracing, 8

nasopharyngeal variables were measured and statistical t-test was conducted by calculating the mean,

standard deviation and p-value of parameters.

Results: In posterior nasal obstruction group, nasopharyngeal airway variables (PP, Ad.pmp and Air area)

significantly decreased and nasopharyngeal bony variables (d and NP area) significantly increased. From

bony nasopharyngeal measurements, mean of h, Ba.pmp and N.S.Ba variables insignificantly increased in

posterior nasal obstruction group .

Conclusion: We conclude that in lateral cephalometric radiography, in posterior nasal obstruction group

nasopharyngeal airway measurements decrease and bony nasopharyngeal measurements increase.

 
Keyword(s): NASAL AIRWAY, ADENOID, NASOPHARYNX, MOUTH BREATHING
 
References: 
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