Discoloration of coating resins exposed to staining solutions in vitro
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概要
- 論文の詳細を見る
The purpose of this in vitro investigation was to study the effects of coffee and tea immersion on surface discoloration of one commercial temporary resin coating material, White Coat (WHC; Kuraray Medical Inc., Tokyo, Japan), and an experimental one, SI-R20209 (SIR; Shofu Inc., Kyoto, Japan). Disk-shaped specimens were prepared, their colors were determined at baseline, and after immersion in water (control), tea and coffee solutions for 24, 48, and 72 hours. Very little discoloration was found with the water-stored specimens. Staining response was most pronounced after coffee immersion for White Coat and after tea immersion for the experimental material, exceeding the clinically acceptable discoloration threshold value of ΔΕ=3.3. However, most of the resin shades tested are likely to be sufficiently safe against heavy discoloration when used for short-term restoration only.
- 日本歯科理工学会の論文
- 2009-05-01
著者
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FINGER Werner
Department of Preclinical Dentistry, School of Dental Medicine, University of Cologne
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Finger Werner
Division Of Operative Dentistry Department Of Restorative Dentistry Tohoku University Graduate Schoo
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KATO Yukiyo
Department of Clinical Cariology, Showa University School of Dentistry
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MANABE Atsufumi
Department of Clinical Cariology and Endodontology, Showa University School of Dentistry
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Kato Yukiyo
Department Of Clinical Cariology And Endodontology Showa University School Of Dentistry
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KANEHIRA Masafumi
Division of Operative Dentistry, Department of Restorative Dentistry, Tohoku University Graduate Sch
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KOMATSU Masashi
Division of Operative Dentistry, Department of Restorative Dentistry, Tohoku University Graduate Sch
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Manabe A
Division Of Aesthetic Dentistry Showa University School Of Dentistry
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Finger Werner
Department Of Preclinical Dentistry School Of Dental Medicine University Of Cologne
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Komatsu Masashi
Division Of Operative Dentistry Department Of Restorative Dentistry Tohoku University Graduate Schoo
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Kanehira Masafumi
Division Of Operative Dentistry Graduate School Of Dentistry Tohoku University Sendai
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