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Acta clinica Croatica, Vol.55 No.4. December 2016. -

The aim of the study was to determine microhardness of high- and low-viscosity bulk-fill composite resins and compare it with conventional composite materials. Four materials of high-viscosity were tested, including three bulk-fills: QuiXfi l QF, x-tra fil XTF and Tetric EvoCeram Bulk Fill TEBCF, while nanohybrid composite GrandioSO GSO served as control. The other four were low-viscosity composites, three bulk-fill materials: Smart Dentin Replacement SDR, Venus Bulk Fill VBF and x-tra base XB, and conventional control material X-Flow XF. Composite samples n=5 were polymerized for 20 s with Bluephase G2 curing unit. Vickers hardness was used to determine microhardness of each material at the surface, and at 2-mm and 4-mm depth. GSO on average recorded significantly higher microhardness values than bulk-fill materials p



Autor: Katarina Kelić - Sanja Matić - Danijela Marović - orcid.org-0000-0003-3104-5749 Eva Klarić - Zrinka Tarle -

Fuente: http://hrcak.srce.hr/



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