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Cephalometric landmarks used in the study
S: Sella; N: Nasion; A: Point A; B: Point B; Go: Gonion; Gn: Gnathion; Pog: Soft tissue pogonion; Pr: Pronasale; UL: Upper lip; LL: lower lip; U1A: Upper incisor root apex; Is: Incision superior; Ii: Incision inferior; U1F: Upper incisor labial face; L1F: Lower incisor labial face
