| ID | 57938 |
| FullText URL | |
| Author |
Kominami, Nao
Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
Shimada, Yasushi
Department of Operative Dentistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University.
Kaken ID
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Hosaka, Keiichi
Department of Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
Minh Nguyet Luong
Department of Restorative Dentistry and Endodontics, Faculty of Odonto-Stomatology, University of Medicine and Pharmacy at Ho Chi Minh City
Yoshiyama, Masahiro
Department of Operative Dentistry, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University.
Kaken ID
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Sadr, Alireza
Biomimetics Biomaterials Biophotonics & Technology Laboratory, Department of Restorative Dentistry, University of Washington School of Dentistry
Sumi, Yasunori
National Center for Geriatrics and Gerontology, Department of Advanced Dental Research, Center of Advanced Medicine for Dental and Oral Disease
Tagami, Junji
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| Abstract | The objective of this study was to determine the effect of flowable composite lining and dentin location on internal dentin fracture formation in the microtensile bond strength (MTBS) test using swept-source optical coherence tomography (SS-OCT). MTBS test beams (1.0×1.0 mm) were prepared from human superficial and deep dentin, which was bonded with a self-etch adhesive (Clearfil SE Bond) and hybrid composite resin (Clearfil AP-X), with or without flowable lining (Clearfil Majesty ES-Flow). We tested 4 groups according to placement technique (with vs. without flowable liner) and dentin (superficial vs. deep) locations. Cross-sectional 2D images of the bonded interface were obtained before and after the MTBS test. Internal dentin fracture after MTBT was observed as a bright zone in SS-OCT. Flowable lining significantly reduced internal fracture formation in dentin (p<0.05). Dentin location significantly influenced MTBS (p<0.05), and this was reduced by flowable lining usage.
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| Keywords | Dentin
Internal fracture
Microtensile bond strength test
SS-OCT
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| Published Date | 2019-09-27
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| Publication Title |
Dental Materials Journal
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| Volume | volume38
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| Issue | issue385
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| Publisher | Japanese Society for Dental Materials and Devices
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| Start Page | 798
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| End Page | 805
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| ISSN | 0287-4547
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| NCID | AA10443149
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| Content Type |
Journal Article
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| language |
English
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| OAI-PMH Set |
岡山大学
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| Copyright Holders | © 2019 The Japanese Society for Dental Materials and Devices
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| File Version | publisher
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| PubMed ID | |
| DOI | |
| Web of Science KeyUT | |
| Related Url | isVersionOf https://doi.org/10.4012/dmj.2018-232
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| Citation | Nao KOMINAMI, Yasushi SHIMADA, Keiichi HOSAKA, Minh Nguyet LUONG, Masahiro YOSHIYAMA, Alireza SADR, Yasunori SUMI, Junji TAGAMI, The effect of flowable composite lining and dentin location on microtensile bond strength and internal fracture formation, Dental Materials Journal, 2019, Volume 38, Issue 5, Pages 798-805, Released October 02, 2019, [Advance publication] Released July 24, 2019, Online ISSN 1881-1361, Print ISSN 0287-4547, https://doi.org/10.4012/dmj.2018-232
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| Funder Name |
Japan Society for the Promotion of Science
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| 助成番号 | 16K11544
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