| The effect of erbium, chromium:yttrium-scandium-gallium-garnet laser etching on marginal integrity of a resin-based fissure sealant in primary teeth. | |
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MedLine Citation:
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PMID: 19653059 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The aim of this in vitro study was to evaluate the effect of erbium, chromium:yttrium-scandium-gallium-garnet (Er,Cr:YSGG) laser pretreatment alone, or associated with acid etching, on the quality of marginal integrity (microleakage and marginal gap) of a resin-based fissure sealant in primary teeth. Fifty sound primary molar teeth were randomly assigned to one of five study groups, pretreated as follows: (1) 35% orthophosphoric acid etching; (2) 2.5 W laser etching; (3) 3.5 W laser etching; (4) 2.5 W laser + 35% orthophosphoric acid etching; (5) 3.5 W laser + 35% orthophosphoric acid etching. After surface pretreatment, a resin-based sealant (ClinPro) was applied to the fissures. Sample teeth were then subjected to thermocycling and stored thereafter in distilled water at 37 degrees C for 1 month. Following immersion in 0.5% basic fuchsin solution for 24 h, three bucco-lingual slices of each sample tooth were scored under a stereo-microscope. Statistical analysis was performed with Kruskal-Wallis one-way analysis of variance (ANOVA) and Pearson chi-square tests. The level of significance was set at P < 0.05. Microleakage scores of group 1 were significantly less than those of groups 2 and 3 (P < 0.05), whereas no statistically significant difference was observed between groups 1, 4 and 5 (P > 0.05). In terms of marginal gap formation, no significant difference was observed between groups (P > 0.05). It was concluded that Er,Cr:YSGG laser etching did not eliminate the need for acid etching. When combined with acid etching, Er,Cr:YSGG laser seems to be as effective as conventional acid etching. |
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Authors:
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Elif Sungurtekin; Nurhan Oztaş |
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Publication Detail:
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Type: Comparative Study; Evaluation Studies; In Vitro; Journal Article Date: 2009-08-05 |
Journal Detail:
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Title: Lasers in medical science Volume: 25 ISSN: 1435-604X ISO Abbreviation: Lasers Med Sci Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-09-08 Completed Date: 2011-01-28 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8611515 Medline TA: Lasers Med Sci Country: England |
Other Details:
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Languages: eng Pagination: 841-7 Citation Subset: IM |
Affiliation:
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Department of Paediatric Dentistry, Faculty of Dentistry, Gazi University, 8. Cad. 82. Sok., Emek, 06510, Ankara, Turkey. elifsung@yahoo.com |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Acid Etching, Dental Composite Resins* Dental Caries / prevention & control Dental Etching / methods* Dental Fissures / radiotherapy, therapy* Dental Leakage / prevention & control Humans Laser Therapy, Low-Level / methods* Lasers, Solid-State / therapeutic use* Pit and Fissure Sealants* |
| Chemical | |
Reg. No./Substance:
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0/Clinpro Sealant; 0/Composite Resins; 0/Pit and Fissure Sealants |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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