Saturday, July 26, 2025
The evaluation of surface roughness (SR), surface gloss (SG), and microhardness (VMH) of flowable bulk-fill composites reinforced with zirconium oxide fillers showed that the use of these fillers improved mechanical and physical characteristics such as surface roughness, gloss, and microhardness. The impact of material type and polishing system on these properties was significant, with surface roughness being only influenced by the polishing system. Dental resin composites are becoming popular due to their esthetic and environmental benefits, while their polymerization shrinkage is reduced. Bulk-fill composites have advantages in time-saving procedures and improved flowability, which enable easy cavity adaptation. Surface characteristics like roughness, gloss, and microhardness affect durability and clinical outcomes, and proper finishing and polishing techniques are essential for achieving a smooth and aesthetically pleasing surface. The use of different polishing systems and fillers enhances these characteristics, and proper F/P techniques ensure the best surface finish.
Reference: Impact of different polishing techniques on surface roughness, gloss, and microhardness of zirconium oxide reinforced flowable bulk-fill resin composite: an in vitro studyLabels: BMC Oral Health
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