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The Effect of Carbon Dioxide (CO2) Laser Irradiation on Sandblasting with Large Grit and Acid Etching (SLA) Surface

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Author(s): Tahereh Foroutan | Nader Ayoubian

Journal: Journal of Lasers in Medical Sciences
ISSN 2008-9783

Volume: 4;
Issue: 2;
Start page: 86;
Date: 2013;
Original page

Keywords: CO2 laser | titanium | SLA

ABSTRACT
Introduction: The purpose of this study was to investigate the effect of 6W power Carbon Dioxide Laser (CO2) on the biologic compatibility of the Sandblasting with large grit and acid etching (SLA) titanium discs through studying of the Sarcoma Osteogenic (SaOS-2) human osteoblast-like cells viability.Methods: Sterilized titanium discs were used together with SaOS-2 human osteoblast-like cells. 6 sterilized SLA titanium discs of the experimental group were exposed to irradiation by CO2 laser with a power of 6W and 10.600nm wavelength, at fixed frequency of 80Hz during 45 seconds in both pulse and non-contact settings. SaOS-2 human osteoblast-like cells were incubated under 37° C in humid atmosphere (95% weather, 5% CO2) for 72 hours. MTT test was performed to measure the ratio level of cellular proliferation.Results: The results indicated that at 570nm wavelength, the 6W CO2 laser power have not affected the cellular viability.Conclusion: CO2 laser in 6w power has had no effect on the biologic compatibility of the SLA titanium surface
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