Table 3.

Comparison of tooth movement distance between the two groups

Group	N	Distance of tooth movement(mm)
		7 d	14d	21d	28d
Control	5	0.113±0.011	0.142±0.013	0.164±0.015	0.188±0.014
Experimental	5	0.114±0.012	0.136±0.016	0.158±0.015	0.174±0.017
t		1.511	5.688	6.692	8.732
P		0.169	0.142	0.122	0.178