| Effect of hybridization on bond strength and adhesive interface after acid-base challenge using 4-META/MMA-TBB resin. | |
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MedLine Citation:
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PMID: 19496398 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purposes of this study were twofold, namely to evaluate: (1) the effect of hybridization on microtensile bond strength (microTBS) to dentin, and (2) the ultrastructure of the dentin-adhesive interface with 4-META/MMA-TBB resin after acid-base challenge. Dentin surfaces, which received no treatment (NT), 65% phosphoric acid (PA), or 10% citric acid-3% ferric chloride (10-3), were bonded with a 4-META/MMA-TBB resin. To evaluate dentin bond strength, microTBS test was performed at a crosshead speed of 1 mm/min. For ultrastructural evaluation of the adhesive interfaces, SEM was used to examine the interfaces of the bonded specimens after acid-base challenge. The microTBS of NT was not determined, while that of 10-3 was significantly higher than that of PA (p < 0.05). With PA and 10-3, the hybrid layer was clearly observed, but no so for the acid-base resistant zone. Wall lesion was found in NT only. In conclusion, hybridization is vital to improving microTBS to dentin and enhancing resistance at the adhesive interface against acid-base challenge. |
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Authors:
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Tomohiro Takagaki; Toru Nikaido; Satoko Tsuchiya; Masaomi Ikeda; Richard M Foxton; Junji Tagami |
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Publication Detail:
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Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Dental materials journal Volume: 28 ISSN: 0287-4547 ISO Abbreviation: Dent Mater J Publication Date: 2009 Mar |
Date Detail:
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Created Date: 2009-06-05 Completed Date: 2009-08-20 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8309299 Medline TA: Dent Mater J Country: Japan |
Other Details:
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Languages: eng Pagination: 185-93 Citation Subset: D |
Affiliation:
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Cariology and Operative Dentistry, Department of Restorative Sciences, Graduate School, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-8549, Japan gakky1978@gmail.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adhesiveness Boron Compounds / chemistry* Caustics / chemistry Chelating Agents / chemistry Citric Acid / chemistry Dental Bonding* Dental Materials / chemistry Dentin / ultrastructure* Ferric Compounds / chemistry Humans Materials Testing Methacrylates / chemistry* Methylmethacrylates / chemistry* Microscopy, Electron, Scanning Phosphoric Acids / chemistry Resin Cements / chemistry* Stress, Mechanical Surface Properties Temperature Tensile Strength Time Factors Water / chemistry |
| Chemical | |
Reg. No./Substance:
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0/Boron Compounds; 0/Caustics; 0/Chelating Agents; 0/Dental Materials; 0/Ferric Compounds; 0/Methacrylates; 0/Methylmethacrylates; 0/Phosphoric Acids; 0/Resin Cements; 7664-38-2/phosphoric acid; 77-92-9/Citric Acid; 7705-08-0/ferric chloride; 7732-18-5/Water; 95508-14-8/Super-bond |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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