Standard cephalometric landmarks and measurements recorded. Except where listed below, points, lines, and planes conformed to British Standard definitions.12 Points: 1, sella; 2, nasion; 3, ANS; 4, point A; 5, upper incisor apex projection to Frankfort horizontal; 6, upper incisor tip; 7, lower incisor tip; 8, lower incisor apex projection to the mandibular plane; 9, point B; 10, pogonion; 11, menton (point of intersection of lower mandibular border and symphyseal outline); 12, most anterior point on hyoid bone; 13, gonion; 14, PNS; 15, basion. Measurements: LAFH (menton to ANS); Sella-Nasion; UAFH (nasion to ANS); SNA; LPFH (gonion to PNS); Basion-PNS; UPFH (sella to PNS); ANS-PNS