Table 2: Mean values and respective standard deviations of microtensile bond strength (MPa) in experimental groups.

Resin composite	Placement technique	Mean (Mpa)	Std. Deviation	N	P-value
Filtek P90	Bulk	15.6800 a	5.54238	12	<0.000
	Incremental	47.7000 b	6.23822	13
	Snow-plow	41.2367 b	8.32955	12
Clearfil AP-X	Bulk	5.0992 c	1.13913	11	<0.000
	Incremental	20.2400 d	3.63996	12
	Snow-plow	27.3542 d	2.58572	12
P-value	P<0.05