Table 2. Comparison of elastic chain mean force values (g) ± standard deviations (SD) within each group at different evaluation intervals .

Time	Control		Persica		Orthokin		Sensikin
	Mean (SD)	P-value	Mean (SD)	P-value	Mean (SD)	P-value	Mean (SD)	P-value
Baseline	199(3.94)	1h	202(3.49	1h	200.5(4.37)	1h	201(3.94))	1h
		p=.000*		p=.000*		p=.000*		p=.000*
		24h		24h		24h		24h
		p=.000*		p=.000*		p=.000*		p=.000*
		1w		1w		1w		1w
		p=.000*		p=.000*		p=.000*		p=.000*
		p=.000*		3w		3w		3w
1 h	159(7.74)	24h	149(12.42)	24h	147(11.83	24h	159(6.99)	24h
		p=.001*		p=.001*		p=.043*		p=.000*
		1w		1w		1w		1w
		p=.001*		p=.000*		p=.006*		p=.000*
		3w		3w		3w		3w
		p=.000*		p=.000*		p=.000*		p=.000*
24 h	116(15.42)	1w	116(11.00)	1w	133(9.48)	1w	113(9.18)	1w
		p=.988		p=.009*		p=.377		p=.005*
		3w		3w		3w		3w
		p=.083		p=.000*		p=.051		p=.001*
1 w	111(19.11)	3w	93.5(11.55)	3w	123.5(10.28)	3w	99.5(15.17)	3w
		p=.524		p=.198		p=.258		p=.113
3w	92(15.67)		78(11.83)		109.5(13.83)		85.5(11.16)

^*statistically significant differences (P <0 .05)

h: hour; w: week.