Plaque Index One Year Recall Total  Chi-Square p-Value(p<0.05) Correlation 0 1 2 Base line 0 Count* 7 39 11 57 6.619 0.037 0.3 % of Total 11.48% 63.93% 18.03% 93.44% 1 Count 0 1 3 4 % of Total 0.00% 1.64% 4.92% 6.56% Total Count 7 40 14 61 % of Total 11.48% 65.57% 22.95% 100% *Count= Number of patients

Table 1: Descriptive statistics for plaque index at baseline and recall visit in the studied sample.