3wedge™ Interdental Wood WedgesTriangular by Design. Stable by Nature. Birchwood Construction. The 3wedges precise triangular cross section is engineered to provide consistent, controlled interdental separation. This shape improves t and stability in the interproximal space, keeping the wedge securely in place. It also supports matrix bands for reliable retention and tight contacts during Class II posterior restorations, resulting in better clinical outcomes, easier handling for