Evaluating the relationship between dimensions of the upper airway and facial profile according to initial lateral cephalometric radiography in orthodontic patients in the north of Iran

ConclusionThere was not any significant relation between decreased upper airway ratios and types of the soft or hard tissue facial profile convexity, however there was a significant relation between upper airway ratios and age subgroups. A significant revers correlation was seen between the mandibular plane angle and nasopharyngeal dimensions.
Source: Orthodontic Waves - Category: Dentistry Source Type: research