Hardness Development of Dual-cured Resin Cements through Different Thicknesses of Ceramics
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概要
- 論文の詳細を見る
This study investigated the Knoop hardness of a thin layer in three dual-cured resin cements (Linkmax HV, Nexus 2, and Variolink II HV) irradiated through or not through different thicknesses (1 through 5mm) of a machinable ceramic. Hardness was recorded at a series of time intervals up to five days, starting from the end of a light irradiation period. Increase in hardness was more rapid over the first 0.5 hour; thereafter it continued at a low rate until maximum hardness was attained. Ceramic thickness had a significant influence on hardness in all dual-cured resin cements, especially when ceramic thickness was more than 4mm. In addition, it was noted that the polymerization of Nexus 2 seemed to be more dependent on light exposure compared with the other two materials. Variolink II HV and Linkmax HV, on the other hand, seemed to indicate the potential of being compensated by chemical curing to some degree.
- 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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YOSHIDA Keiichi
Division of Fixed Prosthodontics and Oral Rehabilitation, Nagasaki University Graduate School of Bio
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Yoshida Keiichi
Division Of Applied Prosthodontics Nagasaki University Graduate School Of Biomedical Sciences
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Yoshida Kenichi
Division Of Applied Prosthodontics Nagasaki University Graduate School Of Biomedical Sciences
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Yoshida Keiichi
Fixed Prosthodontics Department Of Restorative Sciences Division Of Oral Health Sciences Graduate Sc
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MENG Xiangfeng
Division of Applied Prosthodontics, Nagasaki University Graduate School of Biomedical Sciences
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Meng Xiangfeng
Division Of Applied Prosthodontics Nagasaki University Graduate School Of Biomedical Sciences
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Atsuta Mitsuru
Division Of Applied Prosthodontics Graduate School Of Biomedical Sciences Nagasaki University
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Yoshida K
Fixed Prosthodontics Department Of Restorative Sciences Division Of Oral Health Sciences Graduate Sc
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