Surface roughness and morphologic changes of zirconia following different surface treatments

Photomedicine and Laser Surgery
Necla DemirA Nilgun Ozturk

Abstract

The aim of this study was to evaluate the roughness and morphology of zirconia after air abrasion and erbium:yttrium-aluminum-garnet (Er:YAG) laser application of different intensities. Although surface roughness is important to obtain micromechanical retention, it is unclear which surface treatment is most appropriate for zirconia. Fifty sintered zirconia specimens were divided into five groups (n=10). The following treatments were applied: control, Er:YAG laser irradiation with different energy intensities (200, 300, and 400 mJ), and air abrasion with aluminum oxide (Al(2)O(3)) particles (110 μm). Morphologic changes after surface treatments were examined in microscope analyses. Then, the surface roughness (Ra in μm) of the specimens was evaluated using a surface texture measuring instrument. Roughness data were analyzed using one-way analysis of variance (ANOVA) and Tukey's honestly significant difference (HSD) test (p=0.05). Results of microscope analyses revealed changes in surface morphology after surface treatments, including the formation of rare pits in the 400 mJ laser group and the formation of microretentive grooves in the air abrasion group. According to the results of the statistical analysis, the mean surface rou...Continue Reading

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Citations

Dec 18, 2013·Photomedicine and Laser Surgery·Tugrul SariNorbert Gutknecht
Sep 23, 2014·Photomedicine and Laser Surgery·Volkan TurpBetul Tuncelli
Nov 10, 2015·The Journal of Prosthetic Dentistry·Emmanouil-George C TzanakakisPetros T Koidis
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Dec 3, 2014·The Journal of Prosthetic Dentistry·Plínio SciasciRenata Garcia Fonseca
Nov 11, 2014·Restorative Dentistry & Endodontics·Shahin KasraeiFariborz Vafaee
Jan 3, 2015·Photomedicine and Laser Surgery·Omer KirmaliKürşat Er
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Aug 21, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Shuang TangZutai Zhang

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Methods Mentioned

BETA
AFM

Software Mentioned

Statistical Package for the Social Sciences ( SPSS )
Nanoscope IIIa

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