Table 2.

Significance of pain reduction at four stages and total pain reduction in Bifluorid 10 and Futurabond U groups and difference between groups according to VAS. Positive value of t-statistic in “Difference” row indicates a higher efficacy of Bifluorid 10, negative values of Futurabond U.

		Pain Reduction By Stage				Total Pain Reduction (T0–T4)
		T0–T1	T1–T2	T2–T3	T3–T4
Bifluorid 10	Mean	1.322	0.900	0.778	0.689	3.689
	t-statistic	10.54	9.39	7.29	4.47	19.73
	p-value	<0.001 *	<0.001 *	<0.001 *	<0.001 *	<0.001 *
Futurabond U	Mean	1.363	0.688	0.763	0.125	2.938
	t-statistic	8.81	6.99	7.20	1.13	16.31
	p	<0.001 *	<0.001 *	<0.001 *	0.259	<0.001 *
Difference	t-statistic	−0.20	1.55	0.10	2.97	2.89
	p-value	0.840	0.123	0.919	0.003*	0.004 *

*—characteristic significant at 0.05 level.