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When bone is cut the occurrence of thermal damage to the bone is of major concern to the surgeon. If the temperature exceeds 44°C for longer than 1 min, bone repair is impaired (Eriksson et al, 1984) and necrosis may occur. Repeated use of cutting blades may reduce the cutting efficiency (Wevers et al, 1987; Toksvig-Larsen et al, 1992). Wevers et al also found that there is a greater force required to cut cortical bone using a blunt saw compared to new one.
Parsa, H., Reilly, G., McCormack, B.: Cutting Rate Effect on Temperature During Cortical Bone Sawing. Bioengineering In Ireland Conference, Galway, Ireland. January 27-28, 2006. doi:10.21427/r6wd-3804