Figure 4
Oropharyngeal airway volume segmentation. PNS, posterior nasal spine; OdP, middle point of odontoid process of second cervical vertebra; Epi, epiglottis landmark.
Figure 4 | Progress in Orthodontics
Oropharyngeal airway volume segmentation. PNS, posterior nasal spine; OdP, middle point of odontoid process of second cervical vertebra; Epi, epiglottis landmark.