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Effect of Different Titanium Surface Treatments on the Adhesion Test Result:Dental Application

Journal of Wuhan University of Technology(Materials Science) 2023年第1期38卷 255-259页

作者： Alireza Valanezhad Masayoshi Suzue Sirus Safaee Mahdis Nesabi Mohammad Khodaei Shigeaki Abe ikuya watanabe Department of Dental and Biomedical Materials Science Nagasaki UniversityNagasakiJapan Medical Education Development Center Nagasaki University HospitalNagasakiJapan Materials Engineering Group Golpayegan College of EngineeringIsfahan University of TechnologyGolpayegan 87717-67498Iran

The aim of the study was to investigate the effect of different surface treatment of titanium(Ti)on the adhesion test results for dental application.Ti substrates roughened by 400 to 1500-grit SiC polish papers and alumina blasting,alkali treated by 5 molar(M)NaOH and KOH solutions and heat treated at the temperature range of 400-800℃were used in this study.The treated samples were subjected to the adhesion test.According to the results of the adhesion test,the adhesive strength showed the highest value for the blasted titanium among all polished and blasted samples.The Ti samples heated at 650℃showed the highest adhesive strength among all heat-treated samples.Further,the adhesion test results indicated the higher adhesive strength of chemically treated samples treated by NaOH rather than that by KOH.The polished and heated Ti samples showed the highest adhesive strength among all samples.

关键词： titanium implant surface treatment bonding strength anatase rutile

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Surface treatment of titanium dental implant with H2O2 solution

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International Journal of Minerals,Metallurgy and Materials 2020年第9期27卷 1281-1286页

作者： Mohammad Khodaei Kamran Amini Alireza Valanezhad ikuya watanabe Department of Materials Science and Engineering Golpayegan University of TechnologyGolpayegan ***Iran Center for Advanced Engineering Research Majlesi BranchIslamic Azad UniversityIsfahan 196151194Iran Department of Dental and Biomedical Materials Science Graduate School of Biomedical SciencesNagasaki University1-7-1 SakamotoNagasaki 852-8588Japan

The surface treatment is important for titanium and its alloys as promising candidates for dental implantation due to their bioinert surface.Titanium surface samples were modified using H2O2 solution at different times up to 72 h to boost their bioactivity.According to the results of the field emission scanning electron microscopy test,some nanostructures are formed on the surface of treated titanium samples and increased in size by increasing the time of treatment up to 24 h.After 24 h of application,the sharpness of nanostructures decreased and the micro-cracks and discontinuity in the coating surface increased.The results of the X-ray diffraction study and Raman spectroscopy revealed that anatase(TiO2)was formed on the surface of treated titanium samples.The peak intensity of Raman spectroscopy increased with an improvement in treatment time of up to 24 h and then decreased due to the discontinuity of the coating.Full wettability and ability to form apatite were reached at 6 h of treatment.It is clear that the treatment time has a significant effect on the surface treatment of titanium using the H2O2 solution.

关键词： titanium implant surface treatment hydrogen peroxide anatase dental implant

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