2 Haziran 2023 Sunum Açık Erişim

Öcal, Fikri; Sarıcı, Tuba; Şimşek, Enis; Dayı, Burak

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    "creators": [
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        "affiliation": "\u0130n\u00f6n\u00fc \u00dcniveristesi", 
        "name": "\u00d6cal, Fikri", 
        "orcid": "0000-0003-3734-4395"
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        "affiliation": "\u0130n\u00f6n\u00fc \u00dcniveristesi", 
        "name": "Sar\u0131c\u0131, Tuba"
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      {
        "affiliation": "\u0130n\u00f6n\u00fc \u00dcniveristesi", 
        "name": "\u015eim\u015fek, Enis", 
        "orcid": "0000-0001-7723-1390"
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        "affiliation": "\u0130n\u00f6n\u00fc \u00dcniveristesi", 
        "name": "Day\u0131, Burak", 
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    "description": "<p>Introduction: The aim of this study was to evaluate the roughness of the surface of composite resins applied with different finishing techniques and their color stability after coloring with coffee. Materials and Methods: A total of 100 disc-shaped samples prepared from nanohybrid composite (Polofil NHT, Voco [N]) and microhybrid composite (Herculite Classic, Kerr [M]) resin were divided into 5 subgroups (n=10). One of the groups served as control group (no surface treatment). Experimental groups were divided according to the surface finishing protocol: bur+polishing (BP), arkansas+polishing (AP), bur+polishing with paste (BPP), and discs+polishing (DP). The initial color of the samples was detected with a spectrophotometer (VITA Easyshade V, VITA Zahnfabrik, Germany), and the surface roughness (Ra) of the samples was quantified by a profilometer (Mitutoyo SJ-210, Japan). Then the samples were exposed to the coloration process with freshly prepared coffee solution every day. After 2 days, color measurements were made again. Color change (\u2206E) was calculated using the CIEDE2000 system. Mann-Whitney U test, Kruskal Wallis test and One-way analysis of variance were used for statistical analysis. The correlation between Ra and \u2206E was statistically evaluated. Results: DP treatment on the M surface and DP and BPP treatments on the N surface produced significantly less Ra than the other treatments and the control group (p0.05). BPP treatment demonstrated a significantly lower E value in the N group compared to the other groups (p&lt; 0.05). A statistically significant correlation was found between Ra and \u2206E values (p&lt;0.05). Conclusion: Composite finishing techniques affected the surface roughness and color stability of composites. The use of discs and polishing paste in the finishing of both nanohybrid and microhybrid composites can reduce surface roughness and discoloration due to coffee consumption</p>", 
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    "keywords": [
      "Composite, surface roughness, colour change, finishing techniques"
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    "language": "eng", 
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    "meeting": {
      "dates": "1-3 June 2022", 
      "place": "Konya", 
      "title": "7th International Congress on Adhesive Dentistry"
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    "publication_date": "2023-06-02", 
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    "resource_type": {
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    "science_branches": [
      "Sa\u011fl\u0131k Bilimleri > Di\u015f Hekimli\u011fi > Klinik Bilimler > Di\u015f Hastal\u0131klar\u0131 ve Tedavisi > Konservatif Di\u015f Tedavisi"
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    "title": "Effect of Finishing Techniques on The Color Stability of Composites"
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