Angular and dimensional cephalometric measurements. 1 indicates SNA; 2, SNB; 3, ANB; 4, CoA; 5, Co-Gn; 6, maxillomandibular differential ([Co-Gn] − [Co-A]); 7, convexity (Pg-N-A); 8, facial depth (N-Pg/FH); 9, facial axis (N-Ba/CC-Gn); 10, maxillary depth (NA/FH); 11, maxillary height (N-CF/CF-A); 12, SN/GoGn; 13, GnGoAr; 14, SGo; 15, NMe; 16, S-Go/N-Me ratio; 17, molar relation; 18, overjet; and 19, overbite