sistem 4dCaries 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 toSIMADA (Sistem Informasi dan Manajemen Basis Data) Vol. 5 No. 2 Oktober 2022 Page | 5 Jurusan Sistem Informasi Institut Informatika dan Bisnis Insitut Informatika