pISSN 2234-7518
eISSN 2005-372X

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Fig. 3. A, Axial reference plane passing through both endocanthions when the patients had their natural head positions. Sagittal reference plane passing through na, perpendicular to the axial and coronal reference planes; coronal reference plane passing through both exocanthions, perpendicular to the axial and sagittal planes. B, External nasal surface area measurement was computed following soft tissue nasal borders. na, Soft tissue nasion; ac, alare curvature; sn, subnasale; r, right; l, left.
Korean J Orthod 2020;50:249~257 https://doi.org/10.4041/kjod.2020.50.4.249
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