Table 5. Cell concentration of each group at different time (days).

Specimen	1	3	7
w	1.267±0.183	1.687±0.220	3.903±0.770	*
e	1.303±0.038	1.567±0.230	4.797±0.389	*
s	1.02±0.3040	2.073±0.626	5.477±1.136	*
	**	**	**

*p<0.05,

**p>0.05