Table 2.

Depth of cure at variable voltage and increment thickness

Voltage (volts)	Composite	Increment thickness	n	Mean DOC (mm)	SD	P
180	SDR	2	7	0.95	0.02	0.51
		4	7	1.95	0.41
		6	7	2.89	0.04
	Filtek	2	7	0.95	0.04
		4	7	1.88	0.08
		6	7	2.17	0.05
220	SDR	2	7	0.94	0.04
		4	7	1.92	0.04
		6	7	2.96	0.03
	Filtek	2	7	0.94	0.04
		4	7	1.84	0.36
		6	7	2.70	0.12

Factorial design ANOVA was applied; DOC: Depth of cure (mm); SD: Standard deviation; SDR: Smart dentine replacement