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KMID : 0358920180450040445
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Journal of the Korean Academy of Pedodontics
2018 Volume.45 No. 4 p.445 ~ p.454
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Shear Bond Strength Comparison of Different Adhesive Systems to Calcium Silicate-based Materials
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Shin Hyun-Ok
Kim Mi-Sun
Nam Ok-Hyung
Lee Hyo-Seol
Choi Sung-Chul
Kim Kwang-Chul
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Abstract
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The aim of this study was to measure the shear bond strength (SBS) of different adhesive systems to calcium silicatebased materials (Biodentine and RetroMTA). Eighty cylindrical acrylic blocks, with a hole (5.0 mm diameter, 2.0 mm height) in each, were prepared. The holes were filled with Biodentine (BD) and RetroMTA (RMTA), and the specimens were divided into 2 groups. Each group was classified into 4 subgroups: ClearfilTM SE (CSE) ; AQ bond (AQ) ; All bond universal Self-etch (ABU-SE) ; and All bond universal Total-etch (ABU-TE). After the application of different adhesive systems, composite resin (Z350) was applied over BD and RMTA. The SBS was measured using a universal testing machine, and the data were compared using the Kruskal-Wallis test and the Mann-Whitney test. The highest and lowest values of SBS were observed for BD-ABU-SE and RMTA-AQ, respectively. No significant differences were found in the SBS between ABU-TE and ABU-SE and between ABU-TE and CSE to BD and RMTA. According to the data, BD showed a higher SBS than did RMTA when BD and RMTA are compared in the same adhesive agents. Further, among all groups, composite resin with ABU-SE showed better bond strength to BD and RMTA.
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KEYWORD
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Calcium silicate-based materials, Biodentine, RetroMTA, Dentin adhesive, Self-etch adhesive system, Shear bond strength, Failure modes
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