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Fig. 1 | Maxillofacial Plastic and Reconstructive Surgery

Fig. 1

From: Change of the upper airway after mandibular setback surgery in patients with mandibular prognathism and anterior open bite

Fig. 1

Measurements in volume, linear distance, and area in the pharyngeal airway. The largest transverse width, anteroposterior length, and cross-sectional area were measured at the level of the most constricted point of the soft palate and tongue base. The airway was divided as follows, and each volume was measured for the oropharyngeal area (between CV1 line and CV2 line) and the upper hypopharyngeal area (between CV2 line and CV3 line), with the CVn lines being parallel to the FH plane

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