Case Report

Total Mandibular Subapical Alveolar Osteotomy to Correct Class II Division I Dentofacial Deformity

Table 1

Values from the digital cephalometric tracing done in the lateral radiograph, comparing pre- and postoperative measurements, using Dolphin Imaging Software.

Cephalometric measurementsPreoperative valuesPostoperative valuesNorms

SNA (°)85.586.282.0 ± 1.0
SNB (°)80.184.780.9 ± 1.1
ANB (°)5.41.51.6 ± 2.5
Overjet (mm)7.02.22.5 ± 1.8
Overbite (mm)3.53.42.5 ± 0.5
Lower face height (ANS-Xi-Pm) (°)34.935.945 ± 2.5
FMA (MP-FH) (°)9.813.823.9 ± 3.1
SN-GoGn (°)13.017.632.9 ± 3.8
Facial axis-Ricketts (NaBa-PtGn) (°)104.798.590.0 ± 4.2
Gonial/jaw angle (Ar-Go-Me) (°)113.1119.4122.9 ± 1.5
Chin thickness (Pg-Pg) (mm)12.616.413.9 ± 0.4
Inferior Sulcus to H-Line (mm)8.44.84.0 ± 2.2
Occlusal plane to SN (°)5.010.014.4 ± 3.7