highly significantp< 0.001
One way ANOVA was applied on the results to compare the densities in different grades of OSCCs, p-value was found to be highly significant (p< 0.001) ( Table 1 ).For pair wise comparison of results Post hoc Tukey test was applied and p-value was found to be significant in all the inter comparisons (p =0.001, p<0.001) ( Table 2 ).