Cephalometric points: S = sella; N = nasion; N’ = soft tissue nasion; Po = porion; Or = orbitale; Co = condylion; Ba = basion; Ar = articulare; ANS = anterior nasal spine; PNS = posterior nasal spine; A = subspinale; A’ = soft tissue subspinale; B = supramentale; B’ = soft tissue supramentale; Me = mentalis; Me’ = soft tissue mentalis; Go = gonion; Gn = gnathion; Gn’ = soft tissue gnathion; Pg = pogonion; Pg’ = soft tissue pogonion; Sn = subnasale; Ls = labialis superior; Li = labialis inferior; U1 = incisal edge of the maxillary incisor; U1a = apex of the maxillary incisor; L1 = incisal edge of the mandibular incisor; L1a = apex of the mandibular incisor; U6m = mesiobuccal cusp of the maxillary first molar; U6d = distobuccal cusp of the maxillary first molar; L6m = mesiobuccal cusp of the mandibular first molar; L6d = distobuccal cusp of the mandibular first molar.