Contains all rotating instruments that are useful for the finishing of all thermoforming materials: Fissure bur for rough cutting, HSS-twist drill for more precise contours, carbide bur for smoothing, Liskosil-l for prepolishing, removing larger amounts of material, without leaving an edged surface. Liskosil-m like Liskosil-l and for narrow areas, e.g. in the papilla area of a splint. Liskosil-s, for processing of occlusal interferences and the inner surface of a splint.