Surface Characterization and Cell Adhesion of Different Zirconia Treatments: An in vitro Study
Wadih Nassif, Mohamad Rifai
Citation Information :
Nassif W, Rifai M. Surface Characterization and Cell Adhesion of Different Zirconia Treatments: An in vitro Study. J Contemp Dent Pract 2018; 19 (2):181-188.
CC BY 3.0
Copyright © 2018; The Author(s).
The aim of this study was to characterize the surface of zirconia subjected to different treatments and evaluate its effect on cell adhesion and proliferation.
Materials and methods
A total of 80 zirconia disks were divided into four groups (n = 20) according to the surface treatments used: group I: as-sintered (AS), no surface treatment applied; group II: abrasion treatment applied using Rocatec (ROC; 3M ESPE) system with silica-coated alumina powder of grit size 110 μm; group III: erbium, chromium:yttrium, scandium, gallium, garnet (Er, Cr:YSGG) laser (LAS; BIOLASE) was used at a frequency of 20 Hz and output power of 3 W; and group IV: specimens were subjected to the selective infiltration etching (SIE) technique. Surface characterization was evaluated for the different groups (roughness, hardness, and morphology), and cell behavior (adhesion and proliferation) was tested (α = 0.05).
The ROC group reported a significant increase in surface roughness (2.201 ± 0.352) and Vickers hardness (1758 ± 16.6) compared with the other surface treatments. The SIE surface-treated group reported a significantly higher number of cells (64.5 ± 2.6 and 53.5 ± 2.2 respectively) compared with the other surface-treated groups.
The SIE is a promising surface treatment for zirconia that significantly enhances cell adhesion and osseointegration.
The SIE treatment of zirconia implants may help in a faster and better osseointegration.
How to cite this article
Nassif W, Rifai M. Surface Characterization and Cell Adhesion of Different Zirconia Treatments: An
in vitro Study. J Contemp Dent Pract 2018;19(2):181-188.
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