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
15,667.727
311.180
 < 0.001
Material
2
70,215.157
1394.560
Storage
687,849.724
13,661.544
Radiation × Material × Storage
4
7729.015
153.508