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. 2023 Mar 17;27(5):2013–2025. doi: 10.1007/s00784-023-04945-z

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Fig. 2 — Measurements of the upper airway dimensions using cone beam computed tomography (CBCT) imaging. (A) The boundaries of the upper airway from the hard palate (a) to the base of the epiglottis (b) in the sagittal plane. (B) The location of the minimal cross-sectional area of the upper airway (CSAmin) in the axial plane. (C) The measurements of the anterior–posterior dimension (A-P) and lateral dimension (La) of the CSAmin