Table 1: Regression line equations and correlation coefficient .

Maturation mediaMaterialEquation of the regression line

Ringer’s solutionRM-GIC
(Fuji II LC)
0.998
C-GIC
(Fuji IX GP)
0.999

Distilled waterRM-GIC
(Fuji II LC)
0.994
C-GIC
(Fuji IX GP)
0.998