Table 1. Averages and T-test (p value) Comparisons Between Composites and Amalgam.
| Fiber Length (mm) 30wt% (28.2 Vf) | Flexural Strength (MPa) | Modulus (GPa) | Yield Strength (MPa) | Resilience (kJ/m2) | WOF (kJ/m2) |
SIc (kJ/m2) |
KIc (MPa*m1/2) | Strain at Peak Load |
|---|---|---|---|---|---|---|---|---|
| 0.0 mm (PFC) Z100® 3M | 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) |
| 0.5 mm (FRC) | 113.8 (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) |
| 1.0 mm (FRC) | 173.6 (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) |
| 2.0 mm (FRC) | 373.9 (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) |
| 3.0 mm (FRC) | 374.9 (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) |
| Alert® (PFC) with microfibers | 90.4 (0.7057) | 17.6 (0.00019) | 62.3 (0.9791) | 1.52 (0.0440) | 3.23 (0.0077) | 0.034 (0.2950) | 1.33 (0.7523) | 0.0069 (0.7130) |
| Amalgam Tytin® | 86.0 | 43.6 | 62.6 | 0.67 | 1.40 | 0.013 | 0.91 | 0.0078 |