Slow-release fluoride devices: review finds insufficient evidence to show they reduce dental decay

This new update of a Cochrane review only identified 1 study that randomised 174 children but analysed only 63. While there was a reduction in caries in those children with the slow-release fluoride glass bead the study is at high risk of bias and provides insufficient evidence to determine the caries-inhibiting effect of slow-release fluoride glass beads.