Effects of different food colorants and polishing techniques on color stability of provisional prosthetic materials
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概要
- 論文の詳細を見る
The main objective was to investigate the effects of different polishing techniques on the color stability of provisional prosthetic materials upon exposure to different staining agents by mimicking the oral environment in vitro. Fifty-six cylindrical specimens were prepared for each type of material: bis-acryl and light-polymerized composite resins, and methyl methacrylate- and ethyl methacrylatebased resins. The specimens were polished using seven different polishing techniques and then immersed in four different staining agents. Color was measured with a spectrophotometer before and after immersion, and color changes (ΔE) were calculated. The effects of the type of provisional material, polishing procedure, staining agent, and their interactions on color stability were significant (p<0.05). Amongst these factors, the staining agent exerted the strongest effect on color stability. Amongst the provisional materials tested, methacrylate-based resins exhibited the highest color stability irrespective of polishing technique and staining agent.
- 日本歯科理工学会の論文
- 2010-03-01
著者
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Mizutani Hiroshi
Department Of Neurosurgery Toranomon Hospital
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Mizutani Hiroshi
Department Of Removable Prosthodontics Graduate School Tokyo Medical And Dental University
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RUTKUNAS Vygandas
Department of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University
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SABALIAUSKAS Vaidotas
Department of Prosthodontics, Institute of Odontology, Faculty of Medicine, Vilnius University
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Mizutani Hiroshi
Department Of Neurosurgery Bokuto Municipal Hospital Of Metropolitan Tokyo
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Rutkunas Vygandas
Department Of Prosthodontics Institute Of Odontology Faculty Of Medicine Vilnius University
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Mizutani Hiroshi
Dep. Of Removable Prosthodontics Graduate School Tokyo Medical And Dental Univ.
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Sabaliauskas Vaidotas
Department Of Prosthodontics Institute Of Odontology Faculty Of Medicine Vilnius University
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