Sectional matrix systems are unbeatable for predictable contacts on posterior composites, and the Composi-Tight name brand sets the standard. Composi-Tight 3D was the first Soft-Face member of that award winning family. The Soft Face 3D-Ring combined with the thin tine G-Ring provide incredible flexibility. Predictable, tight and anatomically accurate contacts can be produced faster and easier. Soft Face 3D-Ring - used in most circumstances because of its ease of placement and its ability to adapt to a wide variety of tooth anatomies while reducing flash and restoring proper contour.