Colour coded interdental wedges with an anatomical optimal shape. The concave sides adapt perfectly to the interdental contour. The square end allows easy insertion of the wedge and the upturned tip prevents damage to the papillae. Wedges are made of splinter free sycamore wood, thus ensuring stability and compressibility. Wedge System Kit: (830) Assorted Wedges x 1000 (250 of each Size: 10, 20, 30 and 40) plus Adaptor and Positioner