The comparison of the changes before and after the treatment period.

Table 3: The comparison of the changes before and after the treatment period.

Measurements	Groups	N	D	S.d.	t	p
SNA	Monoblock	10	0.68	0.42	0.59	0.557
SNA	Twin Force	10	0.53	0.66
SNB	Monoblock	10	-1.54	0.76	0.62	0.543
SNB	Twin Force	10	-0.85	1.38
ANB	Monoblock	10	2.18	0.78	4.92	0.001^*
ANB	Twin Force	10	1.38	1.35
SN/PP	Monoblock	10	-0.46	0.47	0.05	0.954
SN/PP	Twin Force	10	-0.48	0.96
SN/MP	Monoblock	10	-0.56	0.34	1.44	0.165
SN/MP	Twin Force	10	-0.92	0.70
Co-A	Monoblock	10	0.01	0.32	0.30	0.764
Co-A	Twin Force	10	-0.04	0.40
Co-A	Monoblock	10	-3.77	2.01	3.09	0.006^*
Co-A	Twin Force	10	-1.55	1.03
N-Me	Monoblock	10	-4.36	3.11	2.14	0.057
N-Me	Twin Force	10	-2.17	0.89
S-Go	Monoblock	10	-3.02	2.73	1.79	0.089
S-Go	Twin Force	10	-1.42	0.67
Mst-SV	Monoblock	10	1.02	0.82	0.42	0.673
Mst-SV	Twin Force	10	1.18	0.84
Mit-SV	Monoblock	10	-3.36	1.16	0.07	0.944
Mit-SV	Twin Force	10	-3.28	3.35
Is-SV	Monoblock	10	1.79	1.00	0.93	0.360
Is-SV	Twin Force	10	2.35	1.59
Ii-SV	Monoblock	10	-2.42	1.05	0.68	0.502
Ii-SV	Twin Force	10	-2.80	1.39
Overjet	Monoblock	10	4.84	2.07	1.56	0.136
Overjet	Twin Force	10	6.19	1.78
Overbite	Monoblock	10	3.27	3.04	0.60	0.554
Overbite	Twin Force	10	2.97	1.94
U1/SN	Monoblock	10	5.31	4.08	0.56	0.591
U1/SN	Twin Force	10	6.53	5.75
IMPA	Monoblock	10	-3.91	2.43	2.99	0.011^*
IMPA	Twin Force	10	-10.14	6.11

^*p < 0.05.