Ijaz Ul M, David S, Ruediger H
The surgical saws were developed from 3% Y-TZP and 12% Ce-ZrO2 powders. The specimens were isostatic pressed and sintered conventionally. The saw-teeth were machined by CNC machine using diamond tool. The investigation includes the raise in temperature in bone tissue during cutting process with respect to increase in cutting speed and pressure. Thermal damage of bone tissue would be harmful in case of recovery. The rise in temperature during cutting of bone by ceramic saw was compared with stainless steel saw. The significantly lower temperature during bone cutting, excellent corrosion resistance after sterilization, hardness, wear and abrasive resistance properties show the advantages of 3Y-TZP ceramic saws in orthopedic surgeries.
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