Comparison of Four Fluoride Etchants in Bonding between Titanium and a Self-curing Luting Agent
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概要
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The purpose of the present study was to investigate the efficacy of four different fluoride etchants in titanium bonding. The etchants were aqueous solutions of 5wt% sodium fluoride (NaF), ammonium fluoride (NH_4F), sodium hydrogen fluoride (NaFHF), and ammonium hydrogen fluoride (NH_4FHF). Cast specimens of commercially pure titanium were air-abraded with alumina, etched for 30 seconds, and then primed with a phosphate primer. An acrylic rod was bonded to the specimen with a tri-n-butylborane-initiated self-curing luting agent. Shear bond strengths were determined before and after 10,000 thermocycles. Regarding pre-thermocycling bond strength, there were no significant differences among the etchants. After thermocycling, there was a decrease in bond strength for all groups. Nonetheless, the bond strengths of NaFHF and NH_4FHF were significantly higher than those of NaF, NH_4F, and non-etched control. In terms of bonding durability between resin and titanium, it was significantly improved when the titanium surface was microscopically roughened with alumina blasting and etching using NaFHF or NH_4FHF.
- 日本歯科理工学会の論文
著者
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ATSUTA Mitsuru
Division of Fixed Prosthodontics and Oral Rehabilitation, Nagasaki University Graduate School of Bio
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Taira Yohsuke
Department Of Applied Prosthodontics Graduate School Of Biomedical Sciences Nagasaki University
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Taira Yohsuke
Division Of Applied Prosthodontics Graduate School Of Biomedical Sciences Nagasaki University
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Taira Y
Nagasaki Univ. Nagasaki Jpn
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Taira Yohsuke
長崎大学 医歯薬学総合研究科健美補綴学
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Taira Yohsuke
長崎大学 医歯薬学総合研究科摂食機能回復診断治療学
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Taira Yohsuke
Nagasaki University Graduate School Of Biomedical Sciences Course Of Medical And Dental Sciences Dep
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Taira Yohsuke
Division Of Fixed Prosthodontics And Oral Rehabilitation Nagasaki University Graduate School Of Biom
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Taira Yohsuke
Division Of Fixed Prosthodontics And Oral Rehabilitation Nagasaki University Graduate School Of Biom
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YANG Lei
Division of Fixed Prosthodontics and Oral Rehabilitation, Nagasaki University Graduate School of Bio
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Yang Lei
Division Of Applied Prosthodontics Graduate School Of Biomedical Sciences Nagasaki University
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Atsuta Mitsuru
Division Of Applied Prosthodontics Graduate School Of Biomedical Sciences Nagasaki University
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