Cephalometric Floating Norms for the β Angle and MMBP-Wits

Table 1

Descriptive statistics for the indexes of sagittal jaw relationship and other cephalometric parameters ().

Parameter	Mean ± SD	Median	Minimum	Maximum
Maxillomandibular, anteroposterior
ANB (°)		3.0	0.0	5.0
angle (°)		30.3	21.8	39.9
MMBP-Wits (mm)		−2.0	−9.4	3.7
Maxillomandibular and cranial base, anteroposterior and vertical
SNA angle (°)		80.7	72.2	89.8
SN/PP angle (°)		7.0	0.7	174.6
SN/MP angle (°)		31.6	21.5	44.6
NSBa angle (°)		129.5	119.1	140.7

SD, standard deviation.