| Effects of different acid and sodium hypochlorite treatments on dentin collagen: a FEISEM analysis. | |
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MedLine Citation:
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PMID: 14674505 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: To evaluate if different acid treatments of dentin surface might remove different amount of mineralized dentin, thus exposing and modifying the CF network. METHODS: Dentin disks prepared from human third molars with a low-speed diamond saw were etched for 15 seconds with the tested acids: citric acid 10%, maleic acid 10%, 2.5% oxalic acid, 35% phosphoric acid and 24% EDTA gel. Specimens were then submitted to a 5% solution of NaOCl for 2 minutes or 5 minutes, fixed, and observed utilizing a field emission in lens SEM (FEISEM). Control specimens were also prepared by omitting the etching agent and/or the NaOCl solution. RESULTS: The different acid treatments created specific dentin morphological pattern. CF exposure was in relationship with the acid used. The NaOCl solution greatly affects the acid etched dentin by removing the CF, nevertheless the effect of NaOCl was greatly influenced by the previous acid treatment. |
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Authors:
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Lorenzo Breschi; Pietro Gobbi; Stefano Chersoni; Giovanni Mazzotti; Carlo Prati |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial |
Journal Detail:
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Title: American journal of dentistry Volume: 16 Spec No ISSN: 0894-8275 ISO Abbreviation: Am J Dent Publication Date: 2003 Sep |
Date Detail:
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Created Date: 2003-12-16 Completed Date: 2004-02-05 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 8806701 Medline TA: Am J Dent Country: United States |
Other Details:
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Languages: eng Pagination: 77A-81A Citation Subset: D |
Affiliation:
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Clinica Odontostomatologica, Department of Surgical Sciences, University of Trieste, Trieste, Italy. lbreschi@units.it |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Acid Etching, Dental* Chelating Agents / pharmacology Citric Acid / pharmacology Collagen / drug effects*, ultrastructure Dentin / drug effects*, ultrastructure Drug Synergism Edetic Acid / pharmacology Humans Maleates / pharmacology Materials Testing Microscopy, Electron, Scanning Oxalic Acid / pharmacology Oxidants / pharmacology* Phosphoric Acids / pharmacology Reducing Agents / pharmacology Sodium Hypochlorite / pharmacology* Time Factors |
| Chemical | |
Reg. No./Substance:
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0/Chelating Agents; 0/Maleates; 0/Oxidants; 0/Phosphoric Acids; 0/Reducing Agents; 110-16-7/maleic acid; 144-62-7/Oxalic Acid; 60-00-4/Edetic Acid; 7681-52-9/Sodium Hypochlorite; 77-92-9/Citric Acid; 9007-34-5/Collagen |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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