Viscosity and adhesion strength of cream-type denture adhesives and mouth moisturizers
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概要
- 論文の詳細を見る
We evaluated adhesion strength to acrylic resins under various experimental conditions and viscosity of 4 cream-type denture adhesives and 2 mouth moisturizers. The viscosity was determined by a sine-wave vibro viscometer. The adhesion strength tests were performed with 2 resin plates at a universal tester. In Method A, various constant thicknesses of material layer were tested and tensile strength was measured, while in Method B a constant load was applied before measurement. Five tests were carried out for each measurement. With Method A, adhesion strength increased exponentially as the layer got thin. Effect of the material thicknesses (contribution ratio ρ=79.0%) was much larger than that of material type (ρ=15.3%). Materials with higher viscosity had greater levels of adhesion strength in Method A, whereas those with the higher viscosity had lower levels of adhesion strength in Method B. Adhesion strength was significantly affected by the experimental condition prior to applying tension.
- 日本歯科理工学会の論文
- 2012-11-01
著者
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MURATA Hiroshi
Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University
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Nishimura Masahiro
Department Of Prosthetic Dentistry Division Of Cervico-gnathostomatology Programs For Applied Biomed
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Kurogi Tadafumi
Department Of Prosthetic Dentistry Graduate School Of Biomedical Sciences Nagasaki University
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Kano Hiroshi
Department Of Applied Physics Osaka University
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Murata Hiroshi
Department Of Dermatology Research Center On Aging And Adaptation
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KANO Hiroshi
Department of Prosthetic Dentistry, Graduate School of Biomedical Sciences, Nagasaki University
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Shimizu Takaharu
Shimizu Dental Office
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