Examines airborne-particle abrasion effects on zirconia's surface and biological performance, suggesting improved osseointegration.
Background: Surface topography of a zirconia dental implant has a major impact on osseointegration and clinical success. Modification of a fully sintered zirconia surface can be problematic due to its high strength and bio-inert surface.Methods: The present study therefore aimed to investigate the effect of airborne-particle abrasion of presintered zirconia on surface properties and biological performance of the resulting fully sintered zirconia.Results: The results showed that surface topographies of fully sintered zirconia were influenced by abrasive particle size and blasting time used in repeated pre-sintering airborne particle abrasion. Well-optimized pre-sintering airborne-particle abrasion of zirconia surface could render a highly roughened and hydrophilic surface with increased fibronectin-to-albumin adsorption ratio and mesenchymal stem cell adhesion.Practical implications: This technique may be suitable for modifying zirconia surface to facilitate osseointegration of zirconia-based dental implants.
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Kueakulkangwanphol et al. (2021) studied this question.
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