- The Unimatrix pliers are instruments developed to handle accurately and safely the ring of the Unimatrix system and elastic wedges. - Unimatrix is a preformed sectional matrix system, composed of metallic matrices and rings for its fixation. - The TDV elastic wedges are indicated for general use in restoration procedures using matrices, with the mechanical function of adapting the matrix and/or separating adjacent teeth. **For further product information, please contact Chat Support**