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Fig. 2. A, Reference markers used for superimposition: forehead area (the wide surface over the eyebrows), nasion area (the corresponding soft tissue point from the nasal root to the nasal hump), and exocanthion (the 3/4 lateral regions of the exocanthion). B, Soft tissue landmarks. na, Soft tissue nasion; en, endocanthion; ex, exocanthion; prn, pronasale; cc, columella constructed point; al, alare; ac, alare curvature; sn, subnasale; ls, labiale superior; 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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