| Evaluation of marginal microleakage in class II cavities: effect of microhybrid, flowable, and compactable resins. | |
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MedLine Citation:
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PMID: 12666857 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: The goal of the present study was to evaluate the microleakage on the cementum/dentin and enamel surfaces in Class II restorations, using different kinds of resin composite (microhybrid, flowable, and compactable). METHOD AND MATERIALS: Forty human caries-free molars were extracted and selected. Eighty Class II standardized cavities were made in the cervical wall at the cementoenamel junction (CEJ) and at the mesial and distal surfaces. The teeth were divided into four groups: G1--adhesive system + microhybrid resin composite Z100; G2--adhesive system + compactable resin composite Prodigy Condensable; G3--adhesive system + flowable resin composite Revolution + Z100 resin composite; G4--adhesive system + Revolution fluid resin + compactable resin composite Prodigy Condensable. The adhesive system used in this study was Scotchbond Multi-Purpose Plus. The specimens were thermocycled in baths of 5 degrees C and 55 degrees C for 1,000 cycles and immersed in 50% silver nitrate solution. The specimens then were sectioned and evaluated on degree of dye penetration. RESULTS: The results were evaluated using the nonparametric Kruskall-Wallis test, which showed a statistically significant difference between groups G1 and G4, G2 and G4, and G3 and G4. CONCLUSIONS: None of the materials was able to eliminate the marginal microleakage at the cervical wall; the application of a low-viscosity resin composite combined with a compactable resin composite significantly decreased the microleakage. |
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Authors:
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Alessandra Rezende Peris; Sillas Duarte; Marcelo Ferrarezi de Andrade |
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Publication Detail:
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Type: Comparative Study; Evaluation Studies; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Quintessence international (Berlin, Germany : 1985) Volume: 34 ISSN: 0033-6572 ISO Abbreviation: Quintessence Int Publication Date: 2003 Feb |
Date Detail:
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Created Date: 2003-04-01 Completed Date: 2003-06-03 Revised Date: 2009-11-19 |
Medline Journal Info:
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Nlm Unique ID: 0342677 Medline TA: Quintessence Int Country: England |
Other Details:
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Languages: eng Pagination: 93-8 Citation Subset: D |
Affiliation:
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Department of Restorative Dentistry, School of Dentistry of Piracicaba, State University of Campinas, São Paulo, Brazil. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Composite Resins
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chemistry* Dental Cavity Preparation / methods* Dental Leakage / prevention & control* Dental Marginal Adaptation* Dental Restoration, Permanent / methods* Humans Molar Random Allocation Resin Cements Silicon Dioxide Statistics, Nonparametric Viscosity Zirconium |
| Chemical | |
Reg. No./Substance:
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0/Composite Resins; 0/Prodigy; 0/Resin Cements; 0/Revolution (composite resin); 0/Scotchbond Multi-Purpose Plus; 0/Z100 composite resin; 7440-67-7/Zirconium; 7631-86-9/Silicon Dioxide |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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