Predicta Bioactive Dual-Cure Core Build-Up Material, Flowable Syringe Refill, 5 ml, Tooth Shade, 1/Pk. Predicta Bioactive is a radiopaque dual-cure resin composite that provides stable support for post cement, core build-up, and crowns made of zirconia, porcelain, metal, and porcelain-fused-to-metal. This formula issues and recharges calcium, phosphate, and fluoride ions while vitalizing interface minerals to produce dentin-like effects.