Marginal-internal adaptation and fracture resistance of CAD/CAM crown restorations
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- YILDIZ Coナ殘un
- University of Marmara, Department of Prosthetic Dentistry
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- VANLIOト朖U Burcin Akoglu
- University of Marmara, Department of Prosthetic Dentistry
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- EVREN Buket
- University of Marmara, Department of Prosthetic Dentistry
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- ULUDAMAR Altay
- Private Practice
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- OZKAN Yasemin Kulak
- University of Marmara, Department of Prosthetic Dentistry
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This study evaluated the marginal adaptation and fracture resistance of CAD/CAM-fabricated zirconia crowns luted using different luting agents. Twenty crown restorations were produced using IPS ZirCAD zirconium oxide blocks (IZC), and another 20 using Lava zirconium oxide blocks (L). Ten teeth were used as control. Luting agents used were an etch-and-rinse adhesive (Variolink II) and a self-etch adhesive (Multilink Automix). Internal and marginal adaptation was evaluated using silicone replica technique. Fracture resistance was evaluated using a compression test. Marginal discrepancy was 89.26 μm for L crowns and 88.84 μm for IZC crowns, and difference was statistically insignificant. However, L crowns showed significantly larger axial and occlusal gaps than IZC crowns (p<0.05). Fracture resistance of IZC-Multilink was higher than the other groups, although the difference was not significant. Results showed that CAD/CAM-fabricated crowns showed acceptable in vitro marginal discrepancies and fracture strengths.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 32 (1), 42-47, 2013
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
- 1390282679693531136
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- NII論文ID
- 10031138700
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- NII書誌ID
- AA10443149
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- COI
- 1:STN:280:DC%2BC3szksFSitg%3D%3D
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- ISSN
- 18811361
- 02874547
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- PubMed
- 23370869
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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
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可