Orange Juice Significantly Reduces Microhardness on Resin Restorative Materials: Study
Researchers have found in a new study that exposure to orange juice significantly reduced the microhardness of all tested resin restorative materials, demonstrating its erosive effects.
Further, Vita Enamic showed the greatest decrease but retained the highest overall hardness, indicating strong mechanical properties. Opus Bulk Fill APS had the lowest hardness values, while Charisma Classic exhibited the least reduction, suggesting better resistance to acid erosion.
Various factors, including acidic diets and beverages, can compromise the longevity of restorations by affecting their physical and mechanical properties.
This study aims to evaluate, in vitro, the performance of different resin restorative materials and their interaction in an exogenous acid medium (orange juice), as well as erosion and whether there is interference in the microhardness of the composite resins. 48 samples from your different materials were distributed across 8 groups. Microhardness measurements were conducted before and after immersion in orange juice for 2 weeks, followed by brushing simulations.
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