Effects of the addition of fluoride to a 4-META/MMA-TBB-based resin adhesive on fluoride release, acid resistance of enamel and shear bond strength in vitro
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概要
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This study investigated fluoride release, acid resistance and shear bond strength (SBS) of new 4-META/MMA-TBB-based fluoridecontaining resin adhesive (Super-Bond/F3). Super-Bond, Transbond Plus and Fuji Ortho LC were selected for comparison. Fluoride release into distilled water during 6-month period was measured using disk-shaped specimens. Brackets were bonded to human premolars with each material and then the specimens for the nanoindentation test were subjected to alternating immersion (demineralizing and remineralizing solutions); the hardness and elastic modulus of the enamel around bracket were determined. Rest of the specimens was subjected to examine the SBS. Super-Bond/F3 and Fuji Ortho LC showed significantly greater fluoride release compared with the other materials. The reductions in hardness and the elastic modulus for Super-Bond/F3 and Fuji Ortho LC were lower than those for the other materilas. Super-Bond and Super-Bond/F3 showed significantly greater SBS than Fuji Ortho FC. In conclusion, Super-Bond/F3 showed high fluoride-release, cariostatic potential and equivalent SBS.
著者
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MIZOGUCHI Itaru
Division of Orthodontics and Dentofacial Orthopedics, Department of Oral Growth and Development, Sch
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Ito Shuichi
Division Of Cariology And Endodontology Department Of Oral Rehabilitation School Of Dentistry Health
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Iijima Masahiro
Division Of Orthodontics And Dentofacial Orthopedics Department Of Oral Growth And Development Schoo
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Muguruma Takeshi
Division Of Orthodontics And Dentofacial Orthopedics Department Of Oral Growth And Development Schoo
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Saito Takashi
Division Of Cariology And Endodontology Department Of Oral Rehabilitation School Of Dentistry Health
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MIZOGUCHI Itaru
Division of Orthodontics and Dentofacial Orthopedics, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido
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NAKAGAKI Susumu
Division of Orthodontics and Dentofacial Orthopedics, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido
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KOHDA Naohisa
Division of Orthodontics and Dentofacial Orthopedics, Department of Oral Growth and Development, School of Dentistry, Health Sciences University of Hokkaido
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Saito Takashi
Division for Behavior Analysis, Behavior Research Institute, Gunma University School of Medicine
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ITO Shuichi
Division of Clinical Cariology and Endodontology, Department of Oral Rehabilitation, School of Dentistry, Health Sciences University of Hokkaido
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