ID | 57937 |
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Author |
Rima Zakzuk Alshahni
Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
Shimada, Yasushi
Department of Operative Dentistry, Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Kaken ID
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Zhou, Yuan
Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
Yoshiyama, Masahiro
Department of Operative Dentistry, Okayama University, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences
Kaken ID
publons
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Sadr, Alireza
Department of Restorative Dentistry, University of Washington, School of Dentistry
Sumi, Yasunori
Division of Oral and Dental Surgery, Department of Advanced Medicine, National Center for Geriatrics and Gerontology, National Hospital for Geriatric Medicine
Tagami, Junji
Cariology and Operative Dentistry, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University
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Abstract | Evaluation of gap formation at the interfaces of a two-step self-etching adhesive with/without pre-etching was performed using sweptsource optical coherence tomography (SS-OCT). Round cavities were prepared in bovine incisors at the middle (MC) and cervical (CC) thirds of the crown and the cervical third of the root (CR). Clearfil SE bond was directly applied to one group (SE) and another (PA) was pretreated with K-etchant gel. Following restoration by flowable composite resin, the teeth were thermally challenged and stored for 2 months. Interfacial gaps observed in the cross-sectional OCT images were analyzed and the bottom cavities exhibited increased gaps compared to the margin and dentin-enamel junction (DEJ). The CR site had a larger gap than at MC and CC in the SE group. DEJ separation at the MC was significantly smaller than that at CC in both groups. Therefore, gap formation depends on the cavity region, location, and bonding protocol.
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Keywords | Bottom
Dentin-enamel junction
Gap
SS-OCT
Self-etch adhesive
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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 | issue5
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Publisher | Japanese Society for Dental Materials and Devices
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Start Page | 779
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End Page | 789
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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 | |
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Related Url | isVersionOf https://doi.org/10.4012/dmj.2018-265
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License | Rima Zakzuk ALSHAHNI, Yasushi SHIMADA, Yuan ZHOU, Masahiro YOSHIYAMA, Alireza SADR, Yasunori SUMI, Junji TAGAMI, Cavity adaptation of composite restorations prepared at crown and root: Optical assessment using SS-OCT, Dental Materials Journal, 2019, Volume 38, Issue 5, Pages 779-789, Released October 02, 2019, [Advance publication] Released July 24, 2019, Online ISSN 1881-1361, Print ISSN 0287-4547, https://doi.org/10.4012/dmj.2018-265
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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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