Silicate cement is indicated in:

Up to the early 1970s, silicate cement restorations were used for anterior esthetic restorations. This material was used because of its tooth-colored properties in addition to its ability to release significant amounts of fluoride. The anticariogenic potential of silicate cement confirms the ability of F- to inhibit demineralization, that’s why silicate cement has use in patients with high caries index. Reference: PHILLIPS’ SCIENCE OF DENTAL MATERIALS, 12th ed page no 14