Research Article

[Retracted] Effects of Different Polishing Systems on Surface Roughness and Crystal Structure of Zirconia

Figure 1

Preparation of specimens and X-ray diffractometer (XRD) detection. (a) CAD/CAM software was utilized for the typesetting and design of ST zirconium oxide flap disc. (b) The diffraction pattern of X-ray diffractometer (XRD) detection.
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(b)