Table 2.

Comparison of alveolar bone mineral density between the two groups

Group	N	Alveolar Bone Density(mg/cm2)
		7 d	14d	21d	28d
Control	5	155.51±8.03	158.52±8.88	162.29±9.51	170.84±10.73
Experimental	5	158.52±9.66	172.34±9.67*	177.83±8.12	188.55±9.64*
t		0.458	2.354	2.779	2.745
P		0.630	0.046	0.024	0.025

*P > 0.05 compared to the control group