sistem 4dPruebe 4D gratis. Productos ¿Por qué 4D? Novedades Feature Release; Nuevo en 4D; Desarrolle con 4D; Despliegue con 4D; ORDA todo es un objeto; Descubra 4D View Pro;Caries 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