Table 1.

Mean values and standard deviation (±SD) for all tested properties in the two groups.

Measured values	Group	Mean ± SD	P value
Tensile strength (MPa)	1	0.20 ± 0.06	0.049
	2	0.14 ± 0.07
Modulus of elasticity (MPa)	1	0.13 ± 0.07	0.69
	2	0.11 ± 0.09
Toughness (Joule/m3)	1	1.87 ± 0.61	0.001
	2	0.81 ± 0.53