Paul Deepthi, Varma Sapna, Ajith V V
Department of Orthodontics and Dentofacial Orthopedics, Amrita School of Dentistry, Amrita Institute of Medical Sciences, Cochin, Kerala, India.
Contemp Clin Dent. 2015 Jul-Sep;6(3):293-8. doi: 10.4103/0976-237X.161856.
A normal airway is required for the normal growth of the craniofacial structures. The present study was designed to evaluate and compare the airway in Class I and Class II skeletal pattern and to see if there is any association between the airway and maxillomandibular relationship.
Peripheral nervous system computed tomography scans of 30 patients were divided into two groups as Class I (ANB ≤ 4.5°), Class II (ANB ≥ 4.5°). The Dolphin three-dimensional version 11 was used to assess the airway.
Correlations between the variables were tested with the Pearson correlation coefficient. Independent sample t-test was performed to compare the averages between the two groups. P < 0.05 was considered as statistically significant.
The ANB angle was negatively correlated with all the airway parameters. The airway area and volume was significantly reduced in Class II subjects compared to Class I.
The results suggest a strong association between the airway and skeletal pattern showing a reduced airway in Class II patients with a high ANB angle.
正常的气道是颅面结构正常生长所必需的。本研究旨在评估和比较Ⅰ类与Ⅱ类骨骼型患者的气道情况，并观察气道与上下颌关系之间是否存在关联。
30例患者的外周神经系统计算机断层扫描被分为两组，即Ⅰ类（ANB≤4.5°）、Ⅱ类（ANB≥4.5°）。使用Dolphin三维版本11评估气道。
变量之间的相关性采用Pearson相关系数进行检验。进行独立样本t检验以比较两组之间的平均值。P<0.05被认为具有统计学意义。
ANB角与所有气道参数呈负相关。与Ⅰ类受试者相比，Ⅱ类受试者的气道面积和容积显著减小。
结果表明气道与骨骼型之间存在密切关联，显示出ANB角高的Ⅱ类患者气道减小。
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