Fig. 1

Skeletal, dental, and soft tissue cephalometric landmarks and measurements: (1) SNA; (2) SNB; (3) ANB; (4) Co-A; (5) Co-Gn; (6) wits appraisal; (7) facial angle; (8) mandibular plane angle; (9) U1/NA angle; (10) U1/NA distance; (11) L1/NB angle; (12) L1/NB distance; (13) U1/FH; (14) L1/Md plane; (15) Nasolabial angle; (16) U lip/E-line; (17) L lip/E-line. (See Table 2 for definitions of the measured parameters)