Cephalometric measurements Norm SD Pre- treatment Interpretation
Skeletal Antero-posterior:
SNA 84 3.58 78.5 Retrognathic maxilla
SNB 81 3.59 77 Retrognathic mandible
ANB 3 2.50 1.5 Skeletal type I
A to N perpend 4.59 3.86 -5 Retrognathic maxilla
Pg to N perpend 0.47 5.96 -1.1 Orthognathic mandible
Vertical:
NS-MP 30 5.61 39 Posterior rotation of mandibular plane
NS-PP 9 3.03 -1 Anterior rotation of palatal plane
MP-PP 21 5.25 40 Open configuration
Dental Antero-posterior:
U1-NA 22 5.94 6.5 Retroclined U1
U1-NA (mm) 5 2.13 -1 Retruded position of U1
L1-NB 30 5.61 9 Retroclined L1
L1-NB (mm) 7 2.22 0 Retruded position of L1
Soft tissue H-angle 14 3.83 5 Retruded position of upper lip
Lower lip to E-plane 2 2.03 -2 Retruded position of lower lip