highly significantP-value < 0.001
6 , we can conclude the following: There was a moderate negative correlation between the percentage of opened dentinal tubules and the weight% of F Wt % in groups SDF, SDF diode 1 W, SDF Nd 3 s, and SDF Nd 5 s, and these correlations were statistically significant (P-value < 0.05) in SDF and SDF diode 1 W and highly significant in SDF Nd 3 s and SDF Nd 5 s (P-value < 0.001).