Check the listing for details. Dental Fender Interproximal Wedge Matrix Blade Guard Matrices Steel 134°C Medium. Condition: New. Listed at 10.19 USD. Dental Fender Wedges Plastic Interproximal Diastema Wedge Material:Plastic With S.S MatrixAvailable Model: Medium-Orange Pack:50 pcs/Box Bur damage to adjacent teeth is a common problem in everyday dental practice. Research shows that 70% of adjacent teeth suffer damage during class II preparations.* FenderWedge prevents damage to the adjacent tooth and gingiva that commonly occurs during Class II preparations. FenderWedge is a combination of a steel plate and a plastic wedge. It facilitates easy application of a matrix. To avoid aspiration it is recommended to secure FenderWedge with a waxed dental floss. Available in four sizes, x-small, small, medium and large in refill-, value pack or assortment. 4 reasons to use FenderWedge1. Confident Preparations2. Protects adjacent tooth3. Pre-Separation4. Protects gingiva