Teeth were then rinsed with tap water; a control group was set aside and left in de-ionized water, the other four groups were immersed in a rinse of 0.5 g sodium fluoride and 1% xylitol Fluoxytil.
Los 4 grupos restantes fueron inmersos en un enjuague de fluoruro de sodio 0.5 g y xilitol al 1% Fluoxytil.