Analysis of surface roughness and three-dimensional scanning topography of zirconia implants before and after photofunctionalization by atomic force microscopy: An In Vitro study

• Published in: Journal of pharmacy & bioallied science Vol. 13; no. 5; pp. 766 - 771
• Main Authors: Jaikumar, R, Karthigeyan, Suma, Ramesh Bhat, T, Naidu, Madhulika, Praveen Raj, G, Natarajan, Senthil
• Format: Journal Article
• Language: English
• Published: India Wolters Kluwer India Pvt. Ltd 01-06-2021; Medknow Publications and Media Pvt. Ltd; Medknow Publications & Media Pvt. Ltd; Wolters Kluwer - Medknow; Wolters Kluwer Medknow Publications
• Subjects: Atomic force microscopy; Drying; implants; Microscope and microscopy; Microscopes; Microscopy; Original; photofunctionalization; Radiation; roughness parameters; Scanning; surface topography; Topography; Ultraviolet radiation; Zirconia; Zirconium oxide; photofunctionalization; Atomic force microscopy; roughness parameters; implants; surface topography
• ISSN: 0975-7406; 0976-4879; 0975-7406
• DOI: 10.4103/jpbs.JPBS_724_20

Aim: To analyze surface roughness and three-dimensional (3D) scanning topography parameters of zirconia implants before and after photofunctionalization by atomic force microscopy (AFM). Materials and Methods: Ten commercially available zirconia implants five each in the study and control group were taken. The study group was subjected to ultraviolet (UV) radiation for 48 h using the shorter wavelength of 254 nm. After washing all the implants with 70% alcohol and drying, 3D surface topography and roughness parameters were analyzed using CSC 17 probe AFM at three different magnifications 25 μm, 50 μm, and 80 μm, respectively. Results: The surface topography and calculated mean amplitude, spatial, and hybrid parameters of the study group were higher than the control group (P < 0.05) in all three magnifications. Up to scale depth and peak value for the study and control group were (−0.4-0.4: −2-1) (−0.75 to 0.6:−1-1.3) (−0.75-−0.5: −1.5-1.3) for the study and control group at 25, 50, and 80 μm magnification, respectively. This indicates that photofunctionalization increased surface roughness of Zirconia implants to desirable extent. Conclusion: There is a definite difference in the quantitative topographic characteristics with zirconia implants being microroughned after photofunctionalization (UV treatment).