Chemical and Mechanical Properties of Experimental Dental Composites as a Function of Formulation and Postcuring Thermal Treatment

Table 3

Means ± standard deviations for degree of conversion (DC), fracture toughness (), flexural strength (FS), and elastic modulus (EM) for filler concentration factor. For each property, the same letter indicates that there is no statistically significant difference ().

	Filler content
	30%	50%	70%
DC (%)	83 ± 7.	83 ± 7.	82 ± 7.
	1.20 ± 0.2	1.34 ± 0.1	1.44 ± 0.2
FS (MPa)	134 ± 1	147 ± 1	157 ± 1
EM (GPa)	4.0 ± 0.	5.1 ± 0.	8.1 ± 0.