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Density, Polymerization Shrinkage, Filler Content and Coefficient of Thermal Expansion of Composite Resins for Crown and Bridge
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- HIROSE Hideharu
- Department of Dental Materials, Nihon University School of Dentistry Division of Biomaterials Science, Dental Research Center, Nihon University School of Dentistry
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- KAWAMOTO Yoshikazu
- Department of Crown and Bridge Prosthodontics, Nihon University School of Dentisry Division of Advanced Dental Treatment, Dental Research Center, Nihon University School of Dentistry
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- KOJIMA Taishi
- Department of Dental Materials, Nihon University School of Dentistry
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- SAKAGUCHI Setsuko
- Dental Technician Training School, Nihon University School of Dentistry
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- KIMURA Kenji
- Dental Technician Training School, Nihon University School of Dentistry
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- SAITOH Masahiro
- Department of Dental Materials, Nihon University School of Dentistry
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- YOSHIHASHI Kazue
- Department of Dental Materials, Nihon University School of Dentistry Division of Biomaterials Science, Dental Research Center, Nihon University School of Dentistry
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- MATSUMURA Hideo
- Department of Crown and Bridge Prosthodontics, Nihon University School of Dentisry Division of Advanced Dental Treatment, Dental Research Center, Nihon University School of Dentistry
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- NISHIYAMA Minoru
- Department of Dental Materials, Nihon University School of Dentistry Division of Biomaterials Science, Dental Research Center, Nihon University School of Dentistry
Bibliographic Information
- Other Title
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- 歯冠補綴用コンポジットレジンの密度, 重合収縮率, フィラー含量および熱膨張係数
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Description
Density, polymerization shrinkage, filler content, constituent elements of filler and thermal expansion of ten composite resins (A3 enamel and dentin pastes) for crown and bridge were measured. Density of composite pastes was 1.493-2.528g/cm3, and that of set composites was 1.588-2.561g/cm3. Polymerization shrinkage of composites was 1.17-5.98 vol%. Inorganic filler content was 44.9-88.3wt%. Si or Al was the main component element of inorganic filler, and Ba, La, Sr, Zr and Zn were added as X-ray opaque materials. Thermal expansion was 16.8-96.4×10-6/℃ (30-80℃). With an increase in inorganic filler, polymerization shrinkage and thermal expansion decreased.
Journal
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- The Journal of the Japanese Society for Dental Materials and Devices
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The Journal of the Japanese Society for Dental Materials and Devices 25 (1), 62-68, 2006-01-25
The Japanese Society for Dental Materials and Devices
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Keywords
Details 詳細情報について
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- CRID
- 1390282679187285120
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- NII Article ID
- 110004027532
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- NII Book ID
- AN00127279
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- ISSN
- 21884188
- 02865858
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- Text Lang
- ja
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- Data Source
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- JaLC
- CiNii Articles
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- Abstract License Flag
- Disallowed