Dental bur Dental burs are used for cutting hard tissues - tooth or bone. They are made of steel, stainless steel, tungsten carbide and diamond grit. There can be a bewildering range of dental burs in any dental catalogue, but for basic veterinary use only a few burs are needed. ?Rotational with high ?Manufactured through "hot press" sintering process. ?Available in fine, medium or coarse for use on all materials.