| 摘要 |
The temperature change in the machining OF ceramic material, such as the bone tissue, determines the surface quality of the piece. The milling method with the suitable cutting parameters, which involve the axial depth, the spindle speed and the teeth advance, as well as the reduction of the temperature, helps to reduce the surface roughness. The cooling phenomenon of the piece performed through carbon dioxide provides rigidity to the material when it is between (-40°C and -65°C) of temperature. This characteristic reduces the size of the porosities, which results beneficial when the machining process is performed. This process reduces the roughness in the pieces after being machined from 200 micrometers to 100 micrometers, which results in a better surface quality of the medical implant. These characteristics provide the quality of higher adherence to the human body. This method may be used as a study for the bone integration of the implant, which, from the patient's point of view, reduces the time of treatment and facilitates the recovery of the patient.
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