Figure 4

SEM image of zirconia sample ground with the three diamond instruments and then polished using the coarse polisher. Original magnification ×500. Grooves could be reduced even further. SEM, scanning electron microscopy.

SEM image of zirconia sample ground with the three diamond instruments and then polished using the coarse polisher. Original magnification ×500. Grooves could be reduced even further. SEM, scanning electron microscopy.