Hernández MC, Meléndez WCA, Sandoval RML, Navarro VM, Ibarra MY

Language: Spanish
References: 14
Page: 1370-1373
PDF size: 218.04 Kb.

ABSTRACT

Introduction. Streptococcus and Lactobacillus produce large amounts of acids, resulting in an acidic plaque that causes dental demineralization. Xylitol has been demonstrated to be an effective sugar substitute that prevents dental caries. Cariogenic microorganisms are unable to metabolize xylitol; and therefore it inhibits growth of S. mutans and Lactobacilli spp. colonies. Objectives. To determine colony-forming units per milliliter (CFU/ml) of S. mutans and Lactobacillus spp. in children’s saliva before and after the consumption of milk with added xylitol for 30 days. Methods. Prospective analytical cross sectional study. Twenty children from an orphanage were given to drink 250 mL of milk with added xylitol (0.024 g/ml) for a period of 30 days. Colony-forming units per milliliter (CFU/ml) were determined using pour plate method and mitis salivarius-bacitracin agar for Streptococcus, Lactobacillus Selection Agar (LBS) for Lactobacillus, before and after consumption of milk with added xylitol. Results. The consumption of milk with added xylitol reduced levels of S.mutans and Lactobacillus spp. (68 and 86%), respectively. Conculsions. The results demonstrated a significant reduction of Lactobacillus spp. and S. mutans in saliva after 30 days of xylitol (p › 0.05). Therefore, xylitol proved to be effective as a non-cariogenic sugar substitute for children.

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