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Fig. 4 | BMC Oral Health

Fig. 4

From: Dimensional changes of upper airway after slow vs rapid miniscrew-supported maxillary expansion in adolescents: a cone-beam computed tomography study

Fig. 4

Measurement of the volume and cross-sectional area of upper airway. A Segmentation of the upper airway; B three-dimensional reconstruction of the upper airway; C, D, and E, Cross-sectional area of the airway at the P plane, SP plane and EP plane, respectively. (P plane: connecting posterior nasal spine to basion; SP plane: passing horizontally through the most postero-inferior point of soft palate; EP plane: passing horizontally through the most superior point of epiglottis)

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BMC Oral Health

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