From: Comparison of the effects on the pharyngeal airway space of maxillary protraction appliances according to the methods of anchorage
∆SPPS
∆MPS
∆IPS
∆SPPA
∆MPA
∆IPA
TBFM
Mean
1.32
1.81
1.11
36.97
28.30
26.64
SD
1.13
1.05
1.55
38.34
30.53
42.21
SAFM
2.53
2.81
2.54
76.10
30.44
72.06
3.13
1.63
2.11
59.32
46.80
54.76
P
0.173
0.014
0.007
0.002
0.935
0.001
*
**