Table 4.

Comparison of Mean Values and Differences in Bone Thickness Changes and Root Length at T_F –T₀ Between Groups

Variables	Control group		Experimental Group		P Value
	TF-T0		TF-T0
	Mean Diff	SD	Mean Diff	SD
Bone thickness changes (mm)
Central incisors
S1L	−0.22	0.06	−0.07	0.08	< .001*
S1P	−0.28	0.34	−0.16	0.35	.073
S1T	−0.46	0.45	−0.3	0.43	.067
S2L	−0.17	0.11	−0.08	0.1	.004*
S2P	−0.2	0.32	−0.14	0.31	.318
S2T	−0.45	0.43	−0.29	0.42	.09
S3L	−0.26	0.54	−0.23	0.19	.534
S3P	−0.23	0.43	0.09	0.49	.029*
S3T	−0.65	0.65	−0.17	0.66	.005*
Lateral incisors
S1L	−0.31	0.1	−0.1	0.11	< .001*
S1P	−0.45	0.46	−0.21	0.24	.09
S1T	−0.75	0.46	−0.33	0.23	.001*
S2L	−0.23	0.13	0.04	0.2	< .001*
S2P	−0.79	0.64	−0.49	0.49	.169
S2T	−1	0.6	−0.48	0.44	.006*
S3L	0.2	0.34	0.15	0.18	.806
S3P	−1.28	0.96	−0.78	0.73	.083
S3T	−1.11	0.65	−0.7	0.58	.062
Canines
S1L	−0.02	0.13	0.04	0.15	.651
S1P	−0.57	0.44	−0.3	0.32	.141
S1T	−0.51	0.45	−0.33	0.25	.227
S2L	−0.05	0.19	0	0.1	.076
S2P	−0.47	0.6	−0.14	0.49	.008*
S2T	−0.49	0.64	−0.39	0.32	.44
S3L	−0.15	0.16	−0.09	0.1	.193
S3P	−0.31	0.82	−0.26	0.64	.706
S3T	−0.43	0.73	−0.36	0.39	.611
Root length (mm)
Central incisors	−0.3	0.09	−0.24	0.15	.007*
Lateral incisors	−0.44	0.2	−0.24	0.18	.002*
Canines	−0.36	0.25	−0.21	0.1	.083

^*Significant at P < .05.

SD indicates standard deviation.