Table 4.

Horizontal skeletal and dental changes in treated and untreated patients (positive value = forward direction; negative value = backward direction).

Horizontal values
Displacement
Variable	Treated	Untreated	Prob. (difference)
	Mean ± SD	Mean ± SD
ANS	0.01 ± 0.83	0.72 ± 1.16	0.060
PNS	0.02 ± 0.84	0.74 ± 1.21	0.068
U1	0.15 ± 1.62	0.71 ± 1.56	0.315
U6	0.12 ± 1.35	0.72 ± 1.41	0.229
Co	-0.42 ± 2.42	0.15 ± 1.73	0.418
Go	0.63 ± 2.12	0.93 ± 1.37	0.618
Pog	1.32 ± 2.66	1.44 ± 1.84	0.878
L1	0.59 ± 2.17	0.86 ± 1.38	0.654
L6	0.55 ± 2.11	0.86 ± 1.37	0.592
Remodeling / tooth movement
Variable	Treated	Untreated	Prob. (difference)
	Mean ± SD	Mean ± SD
ANS	0.35 ± 1.18	0.78 ± 1.36	0.428
PNS	-1.14 ± 1.93	-0.81 ± 1.14	0.699
U1	-0.02 ± 1.53	0.80 ± 1.14	0.091
U6	0.33 ± 1.15	0.56 ± 1.16	0.625
Co	0.25 ± 2.54	-0.54 ± 1.71	0.159
Go	-0.55 ± 1.64	-1.45 ± 1.31	0.053
Pog	0.02 ± 0.13	-0.07 ± 0.25	0.271
L1	0.74 ± 1.44	0.34 ± 0.94	0.203
L6	0.98 ± 1.28	0.36 ± 0.96	0.121

Bold = significant change between initial and final radiographs.