| Adhesion of 4-META/MMA-TBB resin to collagen-depleted dentin--effect of conditioner with ascorbic acid/ferric chloride. | |
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MedLine Citation:
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PMID: 15287553 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The purpose of this study was to evaluate ascorbic acid (AS) and ferric chloride (FE) for bonding 4-META/MMA-TBB resin to dentin that had been treated with NaClO. An experimental dentin conditioner consisting of 10%AS and 5%Fe (10AS-5FE) and three controls (10AS-0FE, 0AS-5FE, and 0AS-0FE) were prepared. Ascorcic acid neutralizes NaClO. The flattened dentin surfaces were modified sequentially with phosphoric acid etchant, NaClO agent, and the experimental conditioner, then each surface was bonded to a stainless steel rod with 4-META/MMA-TBB resin. The Super-Bond C&B (10-3/SB) system was also used. 24-hour tensile bond strengths were determined. The bonding system using 10AS-5FE conditioner showed significantly high bond strength compared to 10AS-0FE, 0AS-5FE, and 0AS-0FE. No significant differences were observed between 10AS-5FE and 10-3/SB. Microphotographs suggested that no hybrid layer formed in the 10AS-5FE group. Although the use of phosphoric acid and NaClO resulted in decreased bond strength between 4-META/MMA-TBB resin and dentin, additional conditioning with ascorbic acid and ferric chloride improved the bond strength. |
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Authors:
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Kohyoh Soeno; Yohsuke Taira; Hideo Matsumura; Mitsuru Atsuta; Shiro Suzuki |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Dental materials journal Volume: 23 ISSN: 0287-4547 ISO Abbreviation: Dent Mater J Publication Date: 2004 Jun |
Date Detail:
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Created Date: 2004-08-03 Completed Date: 2004-08-31 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: 100-5 Citation Subset: D |
Affiliation:
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Nagasaki University, Graduate School of Biomedical Sciences, Department of Developmental and Reconstructive Medicine, Division of Fixed Prosthodontics and Oral Rehabilitation, Sakamoto, Nagasaki, Japan. soeno@net.nagasaki-u.ac.jp |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adhesiveness Analysis of Variance Animals Ascorbic Acid / pharmacology* Boron Compounds* Cattle Collagen / drug effects Dental Bonding* Dental Stress Analysis Dentin / drug effects* Dentin-Bonding Agents* Ferric Compounds / pharmacology* Materials Testing Methylmethacrylates* Resin Cements* Sodium Hypochlorite / pharmacology Tensile Strength |
| Chemical | |
Reg. No./Substance:
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0/4-methacryloxyethyltrimellitic acid-methylmethacrylate-tributylborane; 0/Boron Compounds; 0/Dentin-Bonding Agents; 0/Ferric Compounds; 0/Methylmethacrylates; 0/Resin Cements; 50-81-7/Ascorbic Acid; 7681-52-9/Sodium Hypochlorite; 7705-08-0/ferric chloride; 9007-34-5/Collagen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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