Restorative Dentistry and Endodontics

  • 제38권4호
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  • Pages.241-247
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  • 2013
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  • 2234-7658(pISSN)
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  • 2234-7666(eISSN)
대한치과보존학회 (The Korean Academy of Conservative Dentistry)
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Effect of Epigallocatechin Gallate on shear bond strength of composite resin to bleached enamel: an in vitro study

  • Khamverdi, Zahra (Dental Research Center, Department of Operative Dentistry, Dental School, Hamadan University of Medical Sciences) ;
  • Rezaei-Soufi, Loghman (Dental Research Center, Department of Operative Dentistry, Dental School, Hamadan University of Medical Sciences) ;
  • Kasraei, Shahin (Dental Research Center, Department of Operative Dentistry, Dental School, Hamadan University of Medical Sciences) ;
  • Ronasi, Negin (Dental Research Center, Department of Oral Medicine, Dental School, Hamadan University of Medical Sciences) ;
  • Rostami, Shiva (Department of Operative Dentistry, Kordestan University of Medical Sciences)
  • 투고 : 2013.07.01
  • 심사 : 2013.09.27
  • 발행 : 2013.11.29
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초록

Objectives: The aim of this study was to determine the effect of epigallocatechin gallate (EGCG) on the shear bond strength of composite resin to bleached enamel. Materials and Methods: Ninety enamel surfaces of maxillary incisors were randomly divided into 9 groups as follows: G1: control (no bleaching); G2: bleaching; G3: bleaching and storage for seven days; G4 - 6: bleaching and application of 600, 800 and 1,000 ${\mu}mol$ of EGCG-containing solution for 10 minutes, respectively; G7 - 9: bleaching and application of 600, 800 and 1,000 ${\mu}mol$ of EGCG-containing solution for 20 minutes, respectively. The specimens were bleached with 30% hydrogen peroxide gel and a composite resin cylinder was bonded on each specimen using a bonding agent. Shear bond strength of the samples were measured in MPa. Data was analyzed using the two-way ANOVA and Tukey HSD tests (${\alpha}$ = 0.05). Results: The maximum and minimum mean shear bond strength values were observed in G1 and G2, respectively. Time and concentration of EGCG showed no significant effects on bond strength of the groups (p > 0.05). Multiple comparison of groups did not reveal any significant differences between the groups except for G2 and all the other groups (p < 0.05). Conclusions: There is a significant decrease in bond strength of composite resin to enamel immediately after bleaching. A delay of one week before bonding and the use of EGCG increased bond strength of composite resin to bleached enamel.

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피인용 문헌

  1. Effects of Green Tea Application Time on Bond Strength after Enamel Bleaching vol.25, pp.5, 2014, https://doi.org/10.1590/0103-6440201300015
  2. The effect of green tea on the shear strength of brackets after home whitening treatment vol.4, pp.1, 2016, https://doi.org/10.1186/s40563-016-0069-1
  3. Bond Strength of Abraded and Non-Abraded Bleached Enamel to Resin After Er,Cr:YSGG Laser Irradiation vol.35, pp.10, 2017, https://doi.org/10.1089/pho.2016.4229
  4. Effect of dentin biomodifiers on the immediate and long-term bond strengths of a simplified etch and rinse adhesive to dentin vol.42, pp.3, 2017, https://doi.org/10.5395/rde.2017.42.3.188
  5. Vital Bleaching Influences the Bond Strength of Adhesive Systems to Enamel and Dentin: A Systematic Review and Meta-Analysis of In Vitro Studies vol.46, pp.2, 2013, https://doi.org/10.2341/20-035-lit
  6. Use of antioxidants to restore bond strength after tooth bleaching with peroxides vol.129, pp.2, 2013, https://doi.org/10.1111/eos.12773
  7. Natural antioxidants to restore immediate bond strength to bleached enamel: Systematic review and meta‐analysis of in vitro studies vol.33, pp.5, 2013, https://doi.org/10.1111/jerd.12743