Improving a Self-curing Dental Resin by Eliminating Oxygen, Hydroquinone and Water from its Curing Process
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概要
- 論文の詳細を見る
Self-curing dental resins are always manipulated in the presence of curing inhibitory factors such as oxygen, hydroquinone, water and another contaminants such as saliva aiid blood. The purpose of this study was to elucidate the effects of eliminating these curing inhibitory factors on resin properties. Several clinically relevant characteristics of an experimental resin cured in the absence of inhibitory factors (purified group) were determined and compared with the resin cured conventionally (control group). The purified group showed a significantly shorter induction period and higher reaction exotherm. It also showed significantly higher tensile strength and lower strain to failure. With regard to the amount of residual monomer, fracture toughness and fatigue strength the improvements were not significant. These findings suggest that the polymerization outcomes and mechanical properties of the purified group resin can be improved in general. Dental clinicians should pay attention to the storage and curing environments while manipulating the self-curing resin.
- 日本歯科理工学会の論文
著者
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TAKAHASHI Hidekazu
Advanced Biomaterials, Graduate School, Tokyo Medical and Dental University
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Watanabe Akihiko
Department of Biology, Faculty of Science, Yamagata University
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WATANABE Akihiko
Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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AKIYOSHI Kazunari
Department of Synthetic Chemistry & Biologocal Chemistry, Graduate School of Engineering, Kyoto Univ
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IWASAKI Yasuhiko
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineerin
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HAYAKAWA Iwao
Complete Denture Prosthodontics, Graduate School, Tokyo Medical and Dental University
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Watanabe Akihiko
Department Of Biology Faculty Of Science Yamagata University
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Akiyoshi Kazunari
Division Of Synthetic Chemistry And Biological Chemistry Graduate School Of Engineering Kyoto Univer
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Akiyoshi Kazunari
Department Of Organic Material Institute Of Biomaterials And Bioengineering Tokyo Medical And Dental
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Takahashi Hidekazu
Advanced Biomaterials Department Of Restorative Sciences Division Of Oral Health Sciences Graduate S
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Iwasaki Yuko
Department Of Biology Faculty Of Science Yamagata University
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Hayakawa Iwao
Complete Denture Prosthodontics Graduate School Tokyo Medical And Dental University
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Hayakawa Iwao
Complete Denture Prosthodontics Department Of Masticatory Function Rehabilitation Division Of Oral H
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NAKABAYASHI Nobuo
Department of Organic Materials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Den
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Keh En-Sheng
Prosthodontics, School of Dentistry, College of Oral Medicine, Taipei Medical University
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KEH En-Sheng
Complete Denture Prosthodontics, Department of Masticatory Function Rehabilitation, Division of Oral
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Iwasaki Yasuhiko
Department Of Biology Faculty Of Science Yamagata University
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Keh En-sheng
Prosthodontics School Of Dentistry College Of Oral Medicine Taipei Medical University
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Nakabayashi N
Department Of Organic Materials Institute Of Biomaterials And Bioengineering Tokyo Medical And Denta
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Watanabe Akihiko
Institute Of Biomaterials And Bioengineering Tokyo Medical And Dental University
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Watanabe Akihiko
Department Of Anesthesiology Sapporo Medical University School Of Medicine
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Takahashi Hidekazu
Advanced Biomaterials Department Of Restorative Science Division Of Oral Health Science Graduate Sch
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Takahashi Hidekazu
Advanced Biomaterials Department Of Restorative Science Division Of Oral Health Science Graduate Sch
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