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International journal of odontostomatology

versión On-line ISSN 0718-381X

Resumen

LEAL, Aila Maria Cipriano et al. Effect of Sweeteners on Root Dentine Demineralization Using a Microcosm Biofilm Model. Int. J. Odontostomat. [online]. 2019, vol.13, n.1, pp.93-96. ISSN 0718-381X.  http://dx.doi.org/10.4067/S0718-381X2019000100093.

The aim of the present study was to evaluate the effect of commercial sweeteners on root dentin demineralization using a microcosm biofilm model. Bovine dentin specimens with pre-determined surface hardness were randomized into six groups according to the studied sweeteners: sucralose, stevia, saccharin, aspartame. Sucrose was used as a positive control and an untreated group as a negative control. The specimens were submitted to biofilm development from one saliva donor and the cariogenic challenge occurred on subsequent five days, twice a day. At the end, the percentage of surface hardness loss (%SHL) and biomass was determined and submitted to ANOVA followed by Tukey's test. Sucrose presented the highest rate of demineralization, however, all sweeteners tested lead to a statistically higher root demineralization compared to the negative control (p <0.05). Sucrose caused greater demineralization in root dentin, however, the sweeteners were also able to induce it under this biofilm model.

Palabras clave : sucrose; sweeteners; root dentin.

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