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Sequence of ultrastructural changes of enamel crystals and Streptococcus mutans biofilm in early enamel caries in vitro
https://tmdu.repo.nii.ac.jp/records/296
https://tmdu.repo.nii.ac.jp/records/29611aa697e-095a-4287-b19a-66db031f8e23
名前 / ファイル | ライセンス | アクション |
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01_Hashizume (1.2 MB)
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Copyright © 2002 Tokyo Medical and Dental University (TMDU)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2017-08-16 | |||||
タイトル | ||||||
タイトル | ||||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mature enamel crystals | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Streptococcus mutans biofilm | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ultrastructure | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | in vitro model system | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | bacteria counting | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mature enamel crystals | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Streptococcus mutans biofilm | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | ultrastructure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | in vitro model system | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | bacteria counting | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
橋爪, リナ 直美
× 橋爪, リナ 直美× 品田, 佳世子× 川口, 陽子× 山下, 靖雄 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Undecalcified mature enamel sections were used to observe the sequence of ultrastructural changes of enamel crystals and Streptococcus mutans biofilm in the early stages of caries. Human enamel blocks were incubated from 1 to 7 days with S. mutans suspension, and the pH of biofilm was measured. They were processed for light microscopic and transmission electron microscopy observations, and the number of bacteria located in the area adjacent to enamel surface counted. It was observed that the pH of the biofilm dropped to 4, after 1-day of incubation and the S. mutans number increased until 4-day. Round shaped enamel crystals were observed in the 2-day specimens and from the 4-day, images of crystals showing defects and perforations were visualized, becoming more defective along the incubation days. The length of time that the enamel was exposed to biofilm was the main factor for enamel crystals demineralization. Current in vitro caries induction system could standardize timerelated changes of the property of Streptococcus mutans biofilm and its relation to enamel crystals demineralization at the ultrastructural level, and thus provide a useful model for the evaluation of the effects of various anti-cariogenic agents. | |||||
書誌情報 |
Journal of Medical and Dental Sciences en : Journal of Medical and Dental Sciences 巻 49, 号 2, p. 67-75, 発行日 2002-06 |
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出版者 | ||||||
出版者 | 東京医科歯科大学 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 2185-9132 | |||||
論文ID(NAID) | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | NAID | |||||
関連識別子 | 110000032772 | |||||
PubMed番号 | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | PMID | |||||
関連識別子 | 12627816 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.11480/jmds.490201 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |