CASE SELECTION 0mm
3mm
6mm
0mm
3mm
6mm
CROWDING
SPACING
0mm
4mm
2mm
OVERJET Discrepancy from ideal 0mm 1mm
3mm
OVERBITE Discrepancy from ideal 0mm
2mm
4mm
Midline deviaition Discrepancy from ideal occlusion 1mm 0mm 5mm
OPEN BITE
Easy Good first case
Advanced Good for experienced doctor
Difficult For experts only