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KMID : 1157520100060020073
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International Journal of Clinical Preventive Dentistry
2010 Volume.6 No. 2 p.73 ~ p.77
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Effect of Xylitol on Remineralization of Demineralized Dental Enamel
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Ibrahim-Auerkari E
Soufyan A
Alkatiri F
Verisqa F
Megantoro A
Sumawinata N
Mangundjaja S
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Abstract
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Objective: Dental decay by caries only occurs when demineralization is not compensated by a sufficient remineralization process. This investigation aimed to determine in vitro the effects of xylitol exposure on the remineralization as reflected in structure, composition and hardness of demineralized enamel.
Materials and Method: Human enamel samples were demineralized for two days at 50 C in a 0.01 M acetate buffer solution (pH 4.0) and then immersed for two weeks at 37°C in a remineralizing solution containing 20% or 50% xylitol. Surface microstructure, composition and hardness levels were measured of the enamel samples with and without xylitol treatment.
Results: The results showed significantly higher mean enamel hardness after immersion in the xylitol-containing remineralization solution in comparison with the demineralized samples (p<0.05). However, no significant difference was observed in the mean hardness of the groups treated with 20% or 50% xylitol.
Conclusion: This could be taken to suggest that high xylitol concentrations in the remineralizing solution are not necessary to significantly improve the surface structure and strength of demineralized enamel.
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KEYWORD
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dental enamel, xylitol, hardness, structure, composition
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