sistem 4dTo play 4D, select a four-dit number from 0000 to 9999. The minimum cost is $1, inclusive of GST. Draws take place every Wednesday, Saturday and Sunday at 6.30pm. 23 sets ofCaries staging and activity assessment is the second essential step in the 4D-cycle for effective and personalised care. It builds on the knowledge acquired from the 1 st D. The aim is to