From: Effect of thermal cycling on the flexural strength of 3-D printed, CAD/CAM milled and heat-polymerized denture base materials
Test method
Source of variation
Sum of squares
df
Mean square
F
p
Material
2357.233
2
1178.617
4.499
0.182
Aging
437.400
1
1.670
0.325
Material*Aging
523.900
261.950
3.249
0.047
Error
4354.400
54
80.637
Total
606417.067
60