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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Aerodynamic characteristics in upper airways among orthodontic patients and its association with adenoid nasopharyngeal ratios in lateral cephalograms

Fig. 1

Calculating the adenoidal nasopharyngeal (AN) ratio on a lateral cephalogram. A, Perpendicular distance between maximum convexity of the adenoid shadow and the anterior margin of the basiocciput. N, Distance between the posterosuperior edge of the hard palate and the anteroinferior edge of the spheno-occipital synchondrosis

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BMC Medical Imaging

ISSN: 1471-2342

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