| Oral streptococci growth on aging and non-aging esthetic restorations after radiotherapy. | |
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MedLine Citation:
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PMID: 20976386 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The aim of this study was to examine Streptococcus mutans biofilm growth on both aged and non-aged restorative dental resins, which were submitted to therapeutic irradiation. Sixty-four disks of an esthetic restorative material (Filtek Supreme) were divided into 2 groups: aged group (AG) and a non-aged group (NAG). Each group was subdivided into 4 subgroups: non-irradiated and irradiated with 10Gy, 35Gy, and 70Gy. The biofilms were produced by Streptococcus mutans UA159 growing on both AG and NAG surfaces. The colony-forming units per mL (CFU/mL) were evaluated by the ANOVA and the Tukey LSD tests (α=0.05). AG presented smaller amounts of CFU/mL than the NAG before irradiation and after 10Gy of irradiation (p<0.05). AG irradiated with 35 and 70Gy showed increased amount of bacterial biofilm when compared to non-irradiated and 10Gy-irradiated disks (p<0.05). The exposure to ionizing radiation at therapeutic doses promoted changes in bacterial adherence of aged dental restorative material. |
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Authors:
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Adriana D da Cruz; Karina Cogo; Cristiane de C Bergamaschi; Frab N Bóscolo; Francisco C Groppo; Solange M de Almeida |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Brazilian dental journal Volume: 21 ISSN: 1806-4760 ISO Abbreviation: Braz Dent J Publication Date: 2010 |
Date Detail:
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Created Date: 2010-10-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9214652 Medline TA: Braz Dent J Country: Brazil |
Other Details:
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Languages: eng Pagination: 346-50 Citation Subset: D |
Affiliation:
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Department of Oral Diagnosis, Area of Dental Radiology, Piracicaba Dental School, State University of Campinas, Piracicaba, SP, Brazil. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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