Figure 1: Cephalometric points used in the analysis. sella (S), nasion (N), pronasale (Prn), nasal columella (Co), subnasale (Sn), upper lip (UL), lower lip (LL), soft tissue pogonion (Soft P), A point, B point, anterior nasal spine (ANS), posterior nasal spine (PNS), upper incisor apex (U1apx), lower incisor apex (L1apx), incision superius (Is), incision inferius (Ii), pogonion (P), gnathion (Gn), menton (Me), gonion (Go), articulare (Ar), the most labial point on the crown of the mandibular central incisor (L1), the most labial point on the crown of the maxillary central incisor (U1), the point located on the tip of the mesiobuccal cusp of the maxillary first molar (U6) and the point located on the tip of the mesiobuccal cusp of the mandibular first molar (L6).