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Comparison of Polishing Effects of Different Polishing Systems on Highly-Translucent Monolithic Y-TZP Ceramics

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DOI: 10.23977/jmpd.2023.070404 | Downloads: 17 | Views: 203

Author(s)

Zhenyu Tang 1,2, Xinyi Zhao 3

Affiliation(s)

1 Department of Stomatology, Liuzhou Traditional Chinese Medical Hospital, Liuzhou, China
2 Department of Stomatology, Liuzhou General Hospital, Liuzhou, China
3 School of Stomatology, The Fourth Military Medical University, Xian, China

Corresponding Author

Zhenyu Tang

ABSTRACT

To evaluate the polishing effect of different polishing systems on different brands of highly-Translucent Monolithic Y-TZP Ceramics. Four brands highly-translucent zirconia ceramic were selected to make specimens with the size of 15mm x 10mm x 5mm, and the surface was roughened and ground by simulating the clinical procedure, followed by polishing with one of the four polishing systems respectively. Then the surface roughness of each specimen was determined using non-contact laser scanning profilometer. Finally, the surface microstructure was observed using SEM and the crystal phase transformations in the surface were assessed using XRD and XPS. EVE polishing system was more effective than the other systems, and the diamond abrasive particle size in its fine polishing bur is the smallest and evenly distributed. The XRD results showed that surface roughening and the following polishing processes did not lead to obvious phase transformation of surface tetragonal zirconia. XPS spectrogram shows that, the following processes have a certain effect on the structure performance of zirconia.

KEYWORDS

Highly-Translucent Monolithic Y-TZP Ceramics; Surface roughening; Polishing; Microstructure; Effect

CITE THIS PAPER

Zhenyu Tang, Xinyi Zhao, Comparison of Polishing Effects of Different Polishing Systems on Highly-Translucent Monolithic Y-TZP Ceramics. Journal of Materials, Processing and Design (2023) Vol. 7: 31-41. DOI: http://dx.doi.org/10.23977/jmpd.2023.070404.

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