Group n= Mean sd P-value 1(Test) 6 6.82 2.02 df=14 t=8.99 p<0.001 5(Control) 10 1.07 0.34 The results indicate that there is a statistically significant difference between mean concentration of IL-1β in GCF for group 3 and 5 (df=14, t=8.99, p<0.001)

Table 3.1: Comparison of TNF-α concentration in GCF between Group 1 and Group 5.