書誌事項
- タイトル別名
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- Fluid Flow Analysis of Laser-activated Irrigation in Transparent Root Canal
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The aim of this study was to visualize the fluid dynamics in a root canal model during Er:YAG laser-activated irrigation. After high-speed imaging together with particle image velocimetry (PIV) in a transparent canal, an analysis was conducted using fluid-analysis software. The laser was irradiated in canals of two different sizes and using laser tips with two different diameters, under the following conditions: group 1, canal size #80+tip size 200 µm; group 2, canal size #80+tip size 400 µm; group 3, canal size #140+tip size 200 µm; and group 4, canal size #140+tip size 400 µm. The tip was located 15 mm from the bottom of the canal. The ratio of areas where active flow occurred in the canal decreased in order of group 2, group 4, group 1, and group 3. Furthermore, the activation of irrigant in group 3 was statistically lower than that in other groups (p<0.05). In conclusion, Er:YAG laser might produce different streaming in a root canal, depending on the canal size and tip diameter. Irrigation efficiency might decrease when a thin laser tip is used in greatly enlarged root canals.
収録刊行物
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- 日本レーザー歯学会誌
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日本レーザー歯学会誌 27 (1), 8-12, 2016
日本レーザー歯学会
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詳細情報 詳細情報について
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- CRID
- 1390282679450590592
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- NII論文ID
- 130005154816
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- ISSN
- 21856702
- 09177450
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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- CiNii Articles
- KAKEN
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- 抄録ライセンスフラグ
- 使用不可