| Marginal adaptation of a restorative resin polymerized at reduced rate. | |
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MedLine Citation:
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PMID: 1836644 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this study was to investigate the effect of reduced rate of polymerization on the marginal adaptation of a composite resin inserted in dentin cavities treated with a simplified Gluma system. The effect on bonding strength to dentin and compressive strength was also investigated. The light intensity of the polymerization unit was lowered by the use of a transformer, and thus the rate of polymerization of the composite resin. When the resin was irradiated for 30 s at 110 V followed by 30 s at 220 V, the marginal adaptation was significantly improved. This condition resulted in acceptable values of bonding strength to dentin and diametral compressive strength. It is suggested that the reduced rate of polymerization may allow for increased flow of the material, decreasing the contraction stress in the filling. |
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Authors:
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S Uno; E Asmussen |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Scandinavian journal of dental research Volume: 99 ISSN: 0029-845X ISO Abbreviation: Scand J Dent Res Publication Date: 1991 Oct |
Date Detail:
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Created Date: 1992-01-24 Completed Date: 1992-01-24 Revised Date: 2004-11-17 |
Medline Journal Info:
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Nlm Unique ID: 0270023 Medline TA: Scand J Dent Res Country: DENMARK |
Other Details:
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Languages: eng Pagination: 440-4 Citation Subset: D; IM |
Affiliation:
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School of Dentistry, Hokkaido University, Sapporo, Japan. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aluminum Oxide Bisphenol A-Glycidyl Methacrylate Composite Resins / chemistry* Dental Bonding Dental Restoration, Permanent Dental Stress Analysis Dentin Glutaral / chemistry* Glycine Humans Materials Testing Polymers / chemistry Polymethacrylic Acids / chemistry* Stress, Mechanical Surface Properties |
| Chemical | |
Reg. No./Substance:
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0/Composite Resins; 0/Polymers; 0/Polymethacrylic Acids; 111-30-8/Glutaral; 1344-28-1/Aluminum Oxide; 1565-94-2/Bisphenol A-Glycidyl Methacrylate; 56-40-6/Glycine; 95918-03-9/Gluma |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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