Effect of FluoTide Released from Orthodontic Wires Fluoride - containingDental Restoratives on NiTi

determined daily for 10 days. The morphology of wires was observed using a seanning electron microscope, After imrnersion for 10 days, the initial micrehardness of the wires deereased by O.3-5.6% depending on the test solution. Dyract AP (DA) and F2000 (F2) (compomers) released signifieantly more fluoride than the ether resin products (composite resins) regardless of the test solution, In pH 2,5 solution, both DA and F2 released 40-45 ppmlday fiuoride for five to six days. As for the wires in contact, they did not show any visible modification in surfaee morphology. Therefore, despite the released fluoride, wires in contact with the fluoride-containing resteratives were not damaged regardless of the pH value of test solution.