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Journal of Dental Materials and Techniques، جلد ۵، شماره ۱، صفحات ۱-۱۰
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عنوان انگلیسی Influence of artificial aging on the shear bond strength of zirconia-composite interfaces after pretreatment with new 10-MDP adhesive systems
چکیده انگلیسی مقاله Introduction: This in-vitro study investigates the bond strength of different zirconia composites with three different modern adhesive systems after artificial aging using thermocycling and water storage. Methods: A total of 90 specimens of zirconia (InCoris, Sirona, Germany, Bernsheim) were ground using a 165 µm grit rotating diamond disc. Thirty specimens were additionally treated with either Futurabond U "FBU" (VOCO GmbH), or Futurabond M+ "FBM" (VOCO GmbH) or Futurabond M+ in combination with the DCA activator "FBMD" (VOCO GmbH). One of the three different types of composites – BifixSE "BS", BifixQM "BQ" or GrandioSO "G" (VOCO GmbH) – was bonded to the ten specimens of each group. All of the specimens underwent artificial aging using thermocycling between 5°C and 55°C for 5000 cycles followed by water storage for 100 days. Shear bond strength (SBS) was determined in a universal testing machine. The type of failure was evaluated using fluorescence microscopy. The data were compared to existing data without artificial aging. Statistical analysis was performed with ANOVA and the Tukey test. Results: FBM and FBMD had higher SBS than FBU in combination with all tested composites, except BifixSE. In nearly all groups, artificial aging had no effect, with the exception of the combination of FBMD with BifixSE, in which there was a significant decrease in SBS after the aging process (p< 0.001). Conclusion: The new 10-MDP-containing adhesive systems including FBU, FBM and FBMD are insensitive to the aging process tested in this study.
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نویسندگان مقاله پیتر pott | p c pott
department of prosthetic dentistry and biomedical materials research, hannover medical school, carl-neuberg-str. 1, 30625 hannover, germany


m stiesch | m stiesch
department of prosthetic dentistry and biomedical materials research, hannover medical school, carl-neuberg-str. 1, 30625 hannover, germany


m eisenburger | m eisenburger
department of prosthetic dentistry and biomedical materials research, hannover medical school, carl-neuberg-str. 1, 30625 hannover, germany
نشانی اینترنتی http://jdmt.mums.ac.ir/article_6244.html
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