Ultra-Blend plus - Dentin Liner and Protective Base. 4 - 1.2ml Dentin Syringes. Light-activated, radiopaque material with calcium hydroxide in a urethane dimethacrylate base. Highly filled for minimal shrinkage and superior calcium release. Bioactive liner and pulp-capping material. Bioactive1 liner and pulp-capping material. Superior calcium release2. Light curable. Controlled, precise syringe delivery. Ultra-Blend plus liner is a light-activated, radiopaque material with calcium hydroxide in a urethane dimethacrylate base. It's perfect for pulp capping and will not dissolve over time.Ultra-Blend plus liner is highly filled for minimal shrinkage.