Universidade Federal Fluminense

This study is testing whether eating Brazil nuts can reduce inflammation and oxidative stress in people with chronic kidney disease. Fifty patients will take Brazil nut supplements for six months while researchers measure changes in blood and gut bacteria. It is a small, early-st…

This study tests four different ways to apply a new universal dental adhesive when fixing cavities on the side of teeth. Fifty patients will receive a total of 200 fillings, each using a different application method. The fillings will be checked every six months for four years to…

This study looks at whether taking cinnamon supplements for three months can lower inflammation and improve gut health in people with chronic kidney disease. Thirty patients will take either cinnamon capsules or a placebo. Researchers will measure markers of inflammation and oxid…

This study tested two different ways of applying a whitening gel to see which causes less tooth sensitivity. Forty adults with darker teeth received two bleaching sessions one week apart. One group had the gel applied for 40 minutes straight, the other for two 20-minute sessions.…

This study tests different ways of applying a dental adhesive and filling material to see which method keeps fillings intact and stain-free for up to 5 years. Fifty adults with cavities or old fillings needing replacement will receive four different filling types. The goal is to …