The Unimatrix R System is composed by three sizes of preformed sectional matrices and  reinforced ring, Hard Ring, which provides the ideal strength on the dental separation, more stability on the procedure and longevity.  equipped with triangular silicone tips.

25Assorted Matrices (S/M/L) + 1Hard Ring + 4Traingular silicone tips

Preformed sectional matrix system for class II restorations with reinforced ring