The aim of this study was to investigate the quantities of total and free fluoride ions released from four resin-based composites containing fluoride (Heliomolar (HE), UniFil S (UF), Beautifil (BE) and Reactmer paste (RP)) and one glass ionomer cement (Ketac-Fil Plus Aplicap (KF)).
Dental Materials Science Unit, School of Dental Sciences, University of Newcastle upon Tyne, Framlington Place, NE2 4BW, Newcastle upon Tyne, UK. itota@md.okayama-u.ac.jp