Physical Properties of Resin-modified Glass-ionomers.
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- KIM Young-gill
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
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- HIRANO Susumu
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
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- HIRASAWA Tadashi
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
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説明
The physical properties and shear bond strength of two resin-modified glass-ionomers: RMGIs (FJL and VT) and as a control, a conventional glass-ionomer: CGI (FJ), were evaluated. Ninety percent of the setting shrinkage under dry conditions and nominal hygroscopic expansion in water during 360h occurred within the first 24h. The nominal hygroscopic expansion of CGI was 0.38% while the RMGIs demonstrated over 1%, but considering the setting shrinkage the total hygroscopic expansion of CGI and the RMGIs were over 7 times and about 2.5 times, respectively. The thermal expansion of the RMGIs after water immersion was greater than that under dry condition. In contrast, FJ demonstrated expansion less than under dry condition. There was no significant difference between FJL and VT (P<0.05) as regard water absorption. The shear bond strength of the RMGIs to enamel and dentin were superior to FJ, except for VT to dentin.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 17 (1), 68-76, 1998
一般社団法人 日本歯科理工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679695062784
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- NII論文ID
- 110002984127
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- NII書誌ID
- AA10443149
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- COI
- 1:CAS:528:DyaK1cXjtF2nu7g%3D
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- ISSN
- 18811361
- 02874547
- http://id.crossref.org/issn/02874547
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- PubMed
- 9663064
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- Crossref
- PubMed
- NDLデジコレ(旧NII-ELS)
- CiNii Articles
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- 使用不可