Age Group Common Shade % of Patients I B1 48.6% II B1 48.6% III B2 66.7% IV B2 66.7% V C2 63.3% Pearson chi square 147.506a 36 0.000(significant)

Table 1: Percentage of closest shades matched to the examined central and lateral incisor teeth in different age group indicated by VITA classical guide.