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Effect of Modeling Resins on Microhardness of Resin Composites

European journal of dentistry, 2021-07, Vol.15 (3), p.481-487 [Peer Reviewed Journal]

European Journal of Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/). ;European Journal of Dentistry. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/). 2021 European Journal of Dentistry ;ISSN: 1305-7456 ;EISSN: 1305-7464 ;DOI: 10.1055/s-0041-1725577 ;PMID: 34041724

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  • Title:
    Effect of Modeling Resins on Microhardness of Resin Composites
  • Author: Bayraktar, Ezgi T. ; Atali, Pinar Y. ; Korkut, Bora ; Kesimli, Ezgi G. ; Tarcin, Bilge ; Turkmen, Cafer
  • Subjects: Original ; Original Article
  • Is Part Of: European journal of dentistry, 2021-07, Vol.15 (3), p.481-487
  • Description: Abstract Objectives  This study was aimed to determine the effects of modeling resins on the surface microhardness of composites. Materials and Methods  Six resin-based composites (Charisma Smart, Estellite Asteria, CeramX-One SphereTEC, Admira Fusion, Filtek Ultimate, and Clearfil Majesty Es-2) and three wetting agents (Modeling Liquid, Composite Primer, and Modeling Resin) were investigated. In all, 240 specimens were prepared, and wetting agents were applied prior to light curing in the experimental groups. After 24 hours, specimens were polished and Vickers microhardness (VHN) values were measured. Statistical Analysis  Shapiro–Wilk and two-way analysis of variance (ANOVA) were used for analyses ( p < 0.05). Results  Both modeling resin and composites were determined to be effective factors ( p < 0.001). The control group showed the highest VHN (70.37 ± 7.94), followed by Modeling Liquid (64.68 ± 12.07), Composite Primer (59.84 ± 6.33), and Modeling Resin (58 ± 3.52 b ; p < 0.001). Filtek Ultimate showed the highest VHN (76.62 ± 9.78 c ), whereas Charisma Smart (58.87 ± 7.95), and Clearfil Majesty (67.27 ± 2.58) showed the lowest ( p < 0.001). Clearfil Majesty–Modeling Liquid (46.62 ± 5.33) and Charisma Smart–Composite Primer (50.81 ± 0.39) combinations showed the lowest VHN, whereas Filtek Ultimate–control (87.15 ± 2.12) and Filtek Ultimate–Modeling Liquid (84.24 ± 3.11) showed the highest ( p < 0.001). Conclusion  All tested modeling resins decreased VHN value, and the amount of reduction varied among composites and wetting agents. It might be safer not to use wetting agents unless they are necessary.
  • Publisher: A-12, 2nd Floor, Sector 2, Noida-201301 UP, India: Thieme Medical and Scientific Publishers Pvt. Ltd
  • Language: English
  • Identifier: ISSN: 1305-7456
    EISSN: 1305-7464
    DOI: 10.1055/s-0041-1725577
    PMID: 34041724
  • Source: Thieme Connect Free (journals)
    PubMed Central
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