Clearfil AP-X by Kuraray America, Inc. is a light-cure, radiopaque restorative resin that provide accurate color matching, high polishability, and excellent physical properties. It consists of high density fine barium glass particles, resulting in low wear and high fracture resistance. The low polymerization shrinkage limits the risks of post-operative sensitivities and secondary cavities. It offers excellent radiopacity for x-ray evaluations and is formulated with optimal viscosity for easy handling and placement. The material provides convenient adaptation for use with additional composite layers making it suitable for anterior restorations. In addition, the consistency of this product makes it possible for precise shaping of posterior restorations.