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Information Journal Paper

Title

THE EFFECT OF EPIGALLOCATECHIN GALLATE ON THE DENTIN BOND DURABILITY OF TWO SELF-ETCH ADHESIVES

Pages

  68-74

Abstract

 Statement of the Problem: Self-etch ADHESIVES can activate MATRIX METALLOPROTEINASE (MMP) which hydrolyzes organic matrix of demineralized DENTIN. EPIGALLOCATECHIN GALLATE (EGCG), especially found in green tea, could inhibit the activation of MMP.Purpose: The aim of this study was to evaluate the effect of adding EPIGALLOCATECHIN GALLATE (EGCG) into two types of ADHESIVES on DENTIN bond strength.Materials and Method: In this experimental study, 64 extracted third molars were randomly divided into 16 groups. Clearfil SE Bond and Filtek Silorane System with 0mM, 25mM, 50mM, and 100mM concentration of 95% EGCG were used for bonding.Following the bonding and fabrication of beams (1±0.1 mm2) and storage in distilled water, the specimens were subjected to thermal cycles. Microtensile bond strengths of 8 groups were examined after 24 hours and others were tested after 6 months. The fracture modes of specimens were evaluated by stereomicroscope and SEM. Data were analyzed by three-way ANOVA and t-test (a=0.05).Results: The results of the three- way ANOVA test showed that types of bonding, storage time and interactive effect of EGCG concentration and bonding influenced the bond strength of specimens significantly (p<0.05). The results of the t-test indicated that storage time only had significant effect on bond strength of Clearfil SE Bond with no EGCG (p=0.017). The most common failure modes in Filtek Silorane System groups and Clearfil SE Bond groups were adhesive and mixed/cohesive, respectively.The results of SEM at different magnifications showed that most fractures have occurred in the hybrid layer.Conclusion: Although adding 100 μM volume of EGCG to Clearfil SE Bond can preserve the DENTIN bond, incorporation of EGCG in the silorane system, especially in high concentrations, decreases the bond strength after 6 months.

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    APA: Copy

    KHAMVERDI, ZAHRA, REZAEI SOUFI, LOGHMAN, & ROSTAMZADEH, TAYEBEH. (2015). THE EFFECT OF EPIGALLOCATECHIN GALLATE ON THE DENTIN BOND DURABILITY OF TWO SELF-ETCH ADHESIVES. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), 16(2), 68-74. SID. https://sid.ir/paper/658591/en

    Vancouver: Copy

    KHAMVERDI ZAHRA, REZAEI SOUFI LOGHMAN, ROSTAMZADEH TAYEBEH. THE EFFECT OF EPIGALLOCATECHIN GALLATE ON THE DENTIN BOND DURABILITY OF TWO SELF-ETCH ADHESIVES. JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2015;16(2):68-74. Available from: https://sid.ir/paper/658591/en

    IEEE: Copy

    ZAHRA KHAMVERDI, LOGHMAN REZAEI SOUFI, and TAYEBEH ROSTAMZADEH, “THE EFFECT OF EPIGALLOCATECHIN GALLATE ON THE DENTIN BOND DURABILITY OF TWO SELF-ETCH ADHESIVES,” JOURNAL OF DENTISTRY (SHIRAZ UNIVERSITY OF MEDICAL SCIENCES), vol. 16, no. 2, pp. 68–74, 2015, [Online]. Available: https://sid.ir/paper/658591/en

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