From: The effect of radiation exposure and storage time on the degree of conversion and flexural strength of different resin composites
Source
df
Mean Square
F
Sig
Radiation
1
16.035
17.867
 < 0.001
Material
2
194.645
216.884
Storage
94.786
105.616
Radiation × Material × Storage
4
0.292
0.326
0.860