Sterisafe Oral Surgery Burs Taper Fissure RA702 Sterisafe Oral surgery tungsten carbide burs are designed, manufactured and finished for optimum strength, performance and durability covering a wide selection of applications from everyday dental surgery, implantology as well as premaxillofacial surgery. Sterisafe Oral surgery burs are packaged in individual gamma sterile pouches offering the patient and dental professional confidence and ultimate infection control.