Case Report

Effective and Efficient Correction of Severe Skeletal Class II Division 1 Malocclusion with Intermaxillary Elastics

Table 1

Cephalometric measurements.

MeasurementPretreatmentPosttreatment1-year follow-upNorm

Skeletal (sagittal)
 SNA (°)85.881.582
 SNB (°)7876.777.5
 ANB (°)7.84.84.5
 Wits (mm)5.60.41
 Convexity (NA-APg) (°)12.96.96.2
Skeletal (vertical)
 SN-MP (°)28.13130.8
 FMA (°)19.621.421.2
-axis (SGn/SN) (°)64.768.168
Dental
 U1-SN (°)101.593.696.2
 U1-NA (mm)2.80.72
 Interincisal angle (°)132123.6127.6
 L1-MP (°)99.3111.5105.8
 L1-NB (mm)4.15.65.5
Soft tissue
 Nasolabial angle (°)118.2111.7116.6
 Upper lip to E-line (mm)0.8-1.8-1.2
 Lower lip to E-line (mm)1.3-1.2-2.4