Changes in Bovine Enamel after Treatment with a 30% Hydrogen Peroxide Bleaching Agent
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- PARK Hyun-Jin
- Department of Pediatric Dentistry, College of Dentistry, Kyungpook National University
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- KWON Tae-Yub
- Department of Dental Biomaterials, College of Dentistry, Kyungpook National University
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- NAM Soon-Hyun
- Department of Pediatric Dentistry, College of Dentistry, Kyungpook National University
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- KIM Hyun-Jung
- Department of Pediatric Dentistry, College of Dentistry, Kyungpook National University
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- KIM Kyo-Han
- Department of Dental Biomaterials, College of Dentistry, Kyungpook National University
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- KIM Young-Jin
- Department of Pediatric Dentistry, College of Dentistry, Kyungpook National University
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The purpose of this study was to investigate the effect of long-period exposure of 30% hydrogen peroxide on bovine enamel. Polished labial surfaces were scanned using an atomic force microscope after bleaching for 120 hours. Compositional change and microhardness of the enamels were evaluated using a Fourier transform Raman spectrophotometer and Vickers hardness tester. The same tests were performed on enamels stored in distilled water. In the FT-Raman spectra of both the unbleached and bleached enamels, peaks remained unchanged except for negligible decrease in intensity. As for microhardness, it significantly decreased after bleaching when compared to the original value (p<0.0001). However, the microhardness values of enamels stored in the bleaching agent and distilled water did not show any statistical difference. Based on the results of this study, the use of 30% hydrogen peroxide solution for dental bleaching should be safe due to its negligible effects on tooth morphology and structure.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 23 (4), 517-521, 2004
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
- 1390282679692031872
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- NII論文ID
- 110002983814
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- NII書誌ID
- AA10443149
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- COI
- 1:CAS:528:DC%2BD2MXislCmtbY%3D
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- ISSN
- 18811361
- 02874547
- http://id.crossref.org/issn/02874547
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- PubMed
- 15688713
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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
- Crossref
- PubMed
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可