For deep caries removal. Preferentially removes soft caries rather than healthy tissue. Standard length 22mm ceramic roseheads assorted sizes with slim neck. Long length 26mm ceramic rosehead assorted sizes with slim neck. This is a ceramic round bur used for controlled, intuitive excavating of carious, soft dentin. - Feel when the instrument leaves decayed dentin, saving more healthy tooth structure. - Less chatter excavating of caries, made of fully milled zirconia. - Made of fully milled zirconia so the instrument is biocompatible and corrosion-free. - Biocompatible and corrosion-freeIn a study prepared by the Queen Mary University of London, the CeraBur showed that its service life is 3x times longer than a round tungsten carbide bur. Application: Cavity preparation Maximum Speed: 40000 Set includes 2 each: K1SM.204.010 K1SM.204.014 K1SM.204.018 K1SM.204.023 If you like this product also check out: Minimal access burs by Dr Buchanan Toothsaver conservative access kit with lid cover