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Long-term monomer elution from bulk-fill composite resins

Ayse Dundar, Cagatay Barutcugil, Sevde Gul Batmaz, Kardelen Yildirim, Oznur Gucluer.




Abstract
Cited by 2 Articles

Aim: The aim of this study was to investigate the long-term elution of unreacted monomers from bulk-fill composite resins.
Material and Methods: Four different restorative bulk-fill composite resins (Filtek Bulk Fill, 3M ESPE; X-tra fil, VOCO; SonicFill, Kerr; and Tetric EvoCeram Bulk Fill, Ivoclar Vivadent) were used. A total of 15 samples per group (5 x 5 x 4 mm) were polymerized with light as a single layer (4 mm). Then the samples were put into 75/25% ethanol/water mixture. Evaluation of monomer release was performed by using High-Performance Liquid Chromatography device. This process was repeated after one hour, 24 hours, and 3 months. One-way analysis of variance was used to determine the differences in monomer release between groups, while the Tukey HSD test was used for multiple comparisons. The paired sample t-test was used to determine the time-dependent changes of the same material. (P 

Key words: Bulk-fill composite; elution; HPLC; monomer






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