Master-Dent® Glass Ionomer Liner chemically bonds to dentin and can be add etched along with the surrounding enamel to accept an aesthetic overlay of composite. Protects the tooth from harsh monomers to help prevent sensitivity. This fluoride releasing base is beneficial under every composite restoration. It flows easily to cover all dentin and sets quickly after placement. Includes: (1) 15g Powder (1) 15ml Liquid (1) Scoop