書誌事項
- タイトル別名
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- Clinical Evaluation of The Handling Properties of Photo-activated Composite Resin Pastes
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The purpose of this investigation was to examine the relationship between measured values (rheological properties) of composite pastes, such as viscosity coefficient, peeling rate and external force (objective measurements), and a favorable property of such pastes discriminated by touch by dentists (subjective measurements). The rheological properties were examined using a balance beam plastometer. The subjective measurements were performed by eighteen young dentists and repeated four times. The subjective measurements related to four characteristics;hardness of paste (A), retention of shape (B), self-bonding properties (C) and release properties from an instrument for filling (D). There was a significant correlation between the log of the external force (log F) and the log of the peeling rate (logν) in all materials (r=0.950~0.997). A moderate correlation in all materials, except Degufill ultra, Heliomolar, Litefil IIA and Silux plus was also found between the log of the coefficient of viscosity (logη) and logν (r=0.870~0.995). The coefficient of correlation obtained from regression lines between the ratios of favorable properties (log PA, log PB and log PD) in the subjective test and log F or logηshowed a good approximation with a quadratic equation.
収録刊行物
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- 九州歯科学会雑誌
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九州歯科学会雑誌 62 (6), 215-223, 2009
九州歯科学会
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詳細情報 詳細情報について
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- CRID
- 1390001206345207168
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- NII論文ID
- 110007122867
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- NII書誌ID
- AN00054335
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- ISSN
- 18808719
- 03686833
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- NDL書誌ID
- 10398002
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可