An analysis of the biofilms adhered to framework alloys using in vitro denture plaque models
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- URUSHIBARA Yu
- Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine
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- OHSHIMA Tomoko
- Department of Oral Microbiology, Tsurumi University School of Dental Medicine
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- SATO Maki
- Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine
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- HAYASHI Yoshiko
- R & D Department, Sunstar Inc.
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- HAYAKAWA Tohru
- Department of Dental Engineering, Tsurumi University School of Dental Medicine
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- MAEDA Nobuko
- Department of Oral Microbiology, Tsurumi University School of Dental Medicine
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- OHKUBO Chikahiro
- Department of Removable Prosthodontics, Tsurumi University School of Dental Medicine
書誌事項
- タイトル別名
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- An analysis of the biofilms adhered to framework alloys using <i>in vitro</i> denture plaque models
- An analysis of the biofilms adhered to framework alloys using in vitro denture plaque model
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説明
The purpose of this study was to perform a quantitative and qualitative evaluation of the biofilms formed on framework alloys in vitro. The biofilms formed by unfiltered fresh human saliva or Streptococcus mutans and/or Candida albicans on commercially pure titanium and gold-copper-platinum demonstrated higher amounts than other alloy and resin samples. In contrast, the silverpalladium-copper-gold showed a significantly decreased level of biofilm formation. Although the adhesion level of Streptococcus mutans on cobalt-chromium was high, that of Candida albicans was less extensive. A T-RFLP analysis and qualitative PCR of the microbes in the biofilms were performed. In a cluster analysis of all T-RFLP profiles, the cobalt-chromium pattern was integrated into one cluster. On qualitative PCR, the existence of microorganisms related to caries, preriodontitis and aspiration pneumonia was observed. Our results showed that the biofilm formation on each framework alloy was different in terms of both the quantity and quality.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 33 (3), 402-414, 2014
一般社団法人 日本歯科理工学会
