Effect of a novel glass ionomer cement containing fluoro-zinc-silicate fillers on biofilm formation and dentin ion incorporation

Objectives This study is aimed at evaluating the effect of a new glass ionomer cement (GIC) containing fluoro-zinc-silicate fillers on biofilm formation and ion incorporation. Materials and methods Streptococcus mutans biofilms were developed on two GIC materials: Caredyne Restore (CD) and Fuji VII...

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Veröffentlicht in:Clinical oral investigations 2020-02, Vol.24 (2), p.963-970
Hauptverfasser: Hasegawa, Taisuke, Takenaka, Shoji, Ohsumi, Tatsuya, Ida, Takako, Ohshima, Hayato, Terao, Yutaka, Naksagoon, Traithawit, Maeda, Takeyasu, Noiri, Yuichiro
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container_end_page 970
container_issue 2
container_start_page 963
container_title Clinical oral investigations
container_volume 24
creator Hasegawa, Taisuke
Takenaka, Shoji
Ohsumi, Tatsuya
Ida, Takako
Ohshima, Hayato
Terao, Yutaka
Naksagoon, Traithawit
Maeda, Takeyasu
Noiri, Yuichiro
description Objectives This study is aimed at evaluating the effect of a new glass ionomer cement (GIC) containing fluoro-zinc-silicate fillers on biofilm formation and ion incorporation. Materials and methods Streptococcus mutans biofilms were developed on two GIC materials: Caredyne Restore (CD) and Fuji VII (FJ); and hydroxyapatite (HA) for 24 h at 37 °C using a flow cell system. The morphological structure and bacterial viability were analyzed using a confocal laser scanning microscopy. Bacterial adhesion during the initial 2 h was also assessed by viable cell counting. To study the ion incorporation, restored cavities prepared on the root surfaces of human incisors were subjected to the elemental mapping of the zinc and fluoride ions in the GIC-dentin interface using a wavelength-dispersive X-ray spectroscopy electron probe microanalyzer. Results Morphological observations revealed that biofilm formation in the CD group was remarkably inhibited compared with the HA and FJ groups, exhibiting sparse, thinner biofilm clusters. The microorganisms adhering to the CD group were significantly inhibited, revealing 2.9 ± 0.4 for CD, 4.9 ± 0.2 for FJ, and 5.4 ± 0.4 log colony-forming units (CFU) for HA. The CD zinc ion incorporation depth was 72.2 ± 8.0 μm. The fluoride penetration of CD was three times deeper than that of FJ; this difference was statistically significant ( p  
doi_str_mv 10.1007/s00784-019-02991-0
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Materials and methods Streptococcus mutans biofilms were developed on two GIC materials: Caredyne Restore (CD) and Fuji VII (FJ); and hydroxyapatite (HA) for 24 h at 37 °C using a flow cell system. The morphological structure and bacterial viability were analyzed using a confocal laser scanning microscopy. Bacterial adhesion during the initial 2 h was also assessed by viable cell counting. To study the ion incorporation, restored cavities prepared on the root surfaces of human incisors were subjected to the elemental mapping of the zinc and fluoride ions in the GIC-dentin interface using a wavelength-dispersive X-ray spectroscopy electron probe microanalyzer. Results Morphological observations revealed that biofilm formation in the CD group was remarkably inhibited compared with the HA and FJ groups, exhibiting sparse, thinner biofilm clusters. The microorganisms adhering to the CD group were significantly inhibited, revealing 2.9 ± 0.4 for CD, 4.9 ± 0.2 for FJ, and 5.4 ± 0.4 log colony-forming units (CFU) for HA. The CD zinc ion incorporation depth was 72.2 ± 8.0 μm. The fluoride penetration of CD was three times deeper than that of FJ; this difference was statistically significant ( p  &lt; 0.05). Conclusions Enhanced by the incorporation of zinc and fluoride ions, the new GIC inhibited biofilm formation by interfering with bacterial adhesion. Clinical relevance A novel GIC comprised of fluoro-zinc-silicate fillers may improve clinical outcomes, such as root caries and minimally invasive dentistry.</description><identifier>ISSN: 1432-6981</identifier><identifier>EISSN: 1436-3771</identifier><identifier>DOI: 10.1007/s00784-019-02991-0</identifier><identifier>PMID: 31273528</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Bacteria ; Biofilms ; Cement ; Confocal microscopy ; Dental caries ; Dentin ; Dentistry ; Electron probe ; Fluorides ; Glass Ionomer Cements ; Humans ; Hydroxyapatite ; Incisors ; Materials Testing ; Medicine ; Morphology ; Original Article ; Silicates ; Statistical analysis ; Streptococcus infections ; X-ray spectroscopy ; Zinc</subject><ispartof>Clinical oral investigations, 2020-02, Vol.24 (2), p.963-970</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2019</rights><rights>Clinical Oral Investigations is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c441t-9b149d6eb408cd5a9a31ecb14fdb0d466a831369245303de164be6c93964702d3</citedby><cites>FETCH-LOGICAL-c441t-9b149d6eb408cd5a9a31ecb14fdb0d466a831369245303de164be6c93964702d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00784-019-02991-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00784-019-02991-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51298</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/31273528$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Hasegawa, Taisuke</creatorcontrib><creatorcontrib>Takenaka, Shoji</creatorcontrib><creatorcontrib>Ohsumi, Tatsuya</creatorcontrib><creatorcontrib>Ida, Takako</creatorcontrib><creatorcontrib>Ohshima, Hayato</creatorcontrib><creatorcontrib>Terao, Yutaka</creatorcontrib><creatorcontrib>Naksagoon, Traithawit</creatorcontrib><creatorcontrib>Maeda, Takeyasu</creatorcontrib><creatorcontrib>Noiri, Yuichiro</creatorcontrib><title>Effect of a novel glass ionomer cement containing fluoro-zinc-silicate fillers on biofilm formation and dentin ion incorporation</title><title>Clinical oral investigations</title><addtitle>Clin Oral Invest</addtitle><addtitle>Clin Oral Investig</addtitle><description>Objectives This study is aimed at evaluating the effect of a new glass ionomer cement (GIC) containing fluoro-zinc-silicate fillers on biofilm formation and ion incorporation. Materials and methods Streptococcus mutans biofilms were developed on two GIC materials: Caredyne Restore (CD) and Fuji VII (FJ); and hydroxyapatite (HA) for 24 h at 37 °C using a flow cell system. The morphological structure and bacterial viability were analyzed using a confocal laser scanning microscopy. Bacterial adhesion during the initial 2 h was also assessed by viable cell counting. To study the ion incorporation, restored cavities prepared on the root surfaces of human incisors were subjected to the elemental mapping of the zinc and fluoride ions in the GIC-dentin interface using a wavelength-dispersive X-ray spectroscopy electron probe microanalyzer. Results Morphological observations revealed that biofilm formation in the CD group was remarkably inhibited compared with the HA and FJ groups, exhibiting sparse, thinner biofilm clusters. The microorganisms adhering to the CD group were significantly inhibited, revealing 2.9 ± 0.4 for CD, 4.9 ± 0.2 for FJ, and 5.4 ± 0.4 log colony-forming units (CFU) for HA. The CD zinc ion incorporation depth was 72.2 ± 8.0 μm. The fluoride penetration of CD was three times deeper than that of FJ; this difference was statistically significant ( p  &lt; 0.05). Conclusions Enhanced by the incorporation of zinc and fluoride ions, the new GIC inhibited biofilm formation by interfering with bacterial adhesion. 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Materials and methods Streptococcus mutans biofilms were developed on two GIC materials: Caredyne Restore (CD) and Fuji VII (FJ); and hydroxyapatite (HA) for 24 h at 37 °C using a flow cell system. The morphological structure and bacterial viability were analyzed using a confocal laser scanning microscopy. Bacterial adhesion during the initial 2 h was also assessed by viable cell counting. To study the ion incorporation, restored cavities prepared on the root surfaces of human incisors were subjected to the elemental mapping of the zinc and fluoride ions in the GIC-dentin interface using a wavelength-dispersive X-ray spectroscopy electron probe microanalyzer. Results Morphological observations revealed that biofilm formation in the CD group was remarkably inhibited compared with the HA and FJ groups, exhibiting sparse, thinner biofilm clusters. The microorganisms adhering to the CD group were significantly inhibited, revealing 2.9 ± 0.4 for CD, 4.9 ± 0.2 for FJ, and 5.4 ± 0.4 log colony-forming units (CFU) for HA. The CD zinc ion incorporation depth was 72.2 ± 8.0 μm. The fluoride penetration of CD was three times deeper than that of FJ; this difference was statistically significant ( p  &lt; 0.05). Conclusions Enhanced by the incorporation of zinc and fluoride ions, the new GIC inhibited biofilm formation by interfering with bacterial adhesion. Clinical relevance A novel GIC comprised of fluoro-zinc-silicate fillers may improve clinical outcomes, such as root caries and minimally invasive dentistry.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>31273528</pmid><doi>10.1007/s00784-019-02991-0</doi><tpages>8</tpages></addata></record>
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subjects Bacteria
Biofilms
Cement
Confocal microscopy
Dental caries
Dentin
Dentistry
Electron probe
Fluorides
Glass Ionomer Cements
Humans
Hydroxyapatite
Incisors
Materials Testing
Medicine
Morphology
Original Article
Silicates
Statistical analysis
Streptococcus infections
X-ray spectroscopy
Zinc
title Effect of a novel glass ionomer cement containing fluoro-zinc-silicate fillers on biofilm formation and dentin ion incorporation
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