Polished ceramic plate

Dental esthetics are becoming increasingly important for dental patients

Ceramics are frequently being applied for tooth restoration due to their higher mechanical strength and chemical inertness.


As dental esthetics become increasingly important for dental patients, ceramics are frequently applied for tooth restoration due to their higher mechanical strength and chemical inertness. It can be shown that the surface roughness of the polished ceramics is related to the crack formation [1]. It is therefore important to investigate this characteristic.

The measurement was recorded with a Nanite AFM operated in contact mode. Moreover the measurement was performed in a noisy environment without vibration insulation. The AFM image compares an unpolished to a polished ceramic surface where the RMS roughness is 570nm and 310nm respectively. More over in the unpolished zone the polishing scratches are clearly visible.

Scan size 90µm x 90µm; z-range 3µm
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