Table 1.

Groups evaluated in the study, according to the proportion of powder, liquid and TBAEMA

Group	Powder (g)	Liquid (mL)	TBAEMA (mL)
(%TBAEMA)	(PMMA)	(MMA and EGDMA)
0.00%	21	10	0
0.50%	21	9.950	0.05
1.00%	21	9.900	0.100
1.50%	21	9.850	0.150
1.75%	21	9.825	0.175
2.00%	21	9.800	0.2

TBAEMA, 2-tert-butylaminoethyl methacrylate; PMMA, poly (methyl methacrylate); MMA, methyl methacrylate; EGDMA, ethylene glycol dimethacrylate