Table 1: Averages and -test ( value) comparisons between composites and amalgam.

Fiber length (mm)Flexural strength (MPa)Modulus (GPa)Yield strength (MPa)Resilience (kJ/m2)WOF (kJ/m2) (kJ/m2) (MPa⋅m1/2)Strain at peak load

0.0 (PFC)117.6
(0.0012)
19.5
(0.00102)
95.4
(0.01337)
3.03
(0.01882)
4.48
(5.1 × 10−5)
0.036
(0.16055)
1.71
(0.06584)
0.0079
(0.9740)
0.5113.8
(0.1399)
23.0
(0.0008)
92.8
(0.0372)
2.35
(0.0400)
3.91
(0.0984)
0.075
(0.1794)
1.93
(0.07953)
0.0062
(0.9189)
1.0173.6
(0.00318)
26.2
(0.001875)
126.1
(0.00018)
3.84
(0.00083)
8.7
(0.01879)
0.097
(0.0584)
2.77
(0.00797)
0.0084
(0.2993)
2.0373.9
(5.2 × 10−5)
34.0
(0.00116)
329.8
(0.00168)
19.7
(0.00287)
28.2
(0.00046)
1.882
(0.0338)
11.01
(0.00579)
0.0121
(0.1290)
3.0374.9
(2.2 × 10−8)
31.5
(0.01236)
343.5
(0.00014)
23.3
(0.00348)
30.1
(4.2 × 10−5)
2.4
(0.00296)
12.01
(3.89 × 10−5)
0.0131
(0.0677)
Amalgam86.043.662.60.671.400.0130.910.0078