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Pesquisa Odontológica Brasileira

Print version ISSN 1517-7491


LANZA, Célia Regina Moreira; LIMA, José Eduardo de Oliveira; TORRES, Sergio Aparecido  and  MACHADO, Maria Aparecida de Andrade Moreira. Effect of professional dental prophylaxis with sodium bicarbonate jet on the cariogenic microbiota. Pesqui. Odontol. Bras. [online]. 2000, vol.14, n.1, pp.00-00. ISSN 1517-7491.

The effect of professional dental prophylaxis with sodium bicarbonate jet on salivary counting of mutans streptococci and lactobacilli in 32 children ranging from 7 to 10 years of age, has been assessed. Whole stimulated saliva was collected before the prophylaxis, immediately after it and 30 days later, and the number of CFU/ml in the saliva was detected through the Caritest system. A statistically significant immediate decrease on salivary levels of both microorganisms was observed, 50% for mutans streptococci and 27% for lactobacilli. For mutans streptococci this decrease continued through the 30 days period; the same did not occur with lactobacilli, that returned to their baseline values.

Keywords : Dental prophylaxis; Sodium bicarbonate; Streptococcus mutans; Lactobacillus.

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