H48LUF ultra fine flame peri-implantitis bur for oral work and smoothing of titanium implants as part of the surgical/resective treatment of peri-implantitis, according to Dr Martin Durholt. Ultra fine tungsten carbide, FGSXL 310 extra long surgical shank, size 014 (1.4mm) diameter, working length 81mm with 20 blades. Instrument length 30mm.