Table 3: Retention scores for both groups after different follow up periods.

Composite Group A: Bulk Fill Packing Group B: Incremental Packing
Time score A B C A B C
Baseline 39 0 0 40 0 0
One week 39 0 0 40 0 0
Three months 36 0 0 38 0 0
Six months 37 0 2 37 0 1