The 3M™ Sectional Matrix Plus Retainer System delivers the best-in-class tooth separating power and provides you with a system that delivers tight, predictable contacts on posterior Class II composites.
3M ESPE Sectional Matrix Retainer System offers: - Naturally contoured, longer bands for easier placement and wide embrasures - Anatomically correct contacts at the height of contour - Tight contacts .Introductory kit contains: 50 x Standard Bands, 50 x Small Bands, 50 x Mid-molar Bands, 2 x Standard Length Rings, 2 x Long Length Rings and instructions.