Protective & Corrective Efficacy of Xylitol Versus Fluoride on Primary Teeth Enamel Subjected to in Vitro Demineralization by Chlorinated Pool Water
Noha Samir Kabil, Reham Magdy
Background: Although chlorine is used as an important disinfectant for pool water yet its effect on the teeth could be a cause of concern. This study aimed to assess the protective and corrective effect of Xylitol versus standard use of fluoride on surface morphology and ionic profile of primary enamel exposed to chlorinated water in vitro, to tailor a feasible regimen for young swimmers.
Materials and Methods: Thirty recently exfoliated, deciduous central incisors, (Negative Control,n=30) were examined by scanning electron microscope and energy dispersive X-ray analysis (EDAX) . Teeth were divided into Two groups, (n=15). I. Corrective groups: Pool water group (P): teeth were subjected to chlorinated water, then half the tooth was coated with fluoride (P&F): and the other half xylitol (P&X):, II. Preventive groups: The other 15 specimens, were half coated with fluoride: subgroup (F), and half with xylitol Subgroup(X) (positive controls): teeth were then subjected to chlorinated water. (F+P) & (X+P). A blinded operator to the tooth condition examined all groups between all steps by scanning electron microscope to detect surface morphological changes and energy dispersive X-ray analysis to evaluate Ca, P, C, Cl ions.
Results:scanning electron microscope revealed areas of erosion on enamel subjected to chlorinated water, which improved by both agents but xylitol showed a smoother surface which was supported by statistical analysis of ionic EDXA results. Fluoride demonstrated a better protective effect as par ionic measuring results.
Conclusion: young swimmers should use a fluoride agent prior to pool, and a xylitol agent after training to minimize detrimental effects of chlorinated water. Xylitol showed a higher significant effect whether as a protective or corrective agent.