Association of Streptococcus mutans and lactobacilli with dental caries in children
Keywords:
Dental caries, streptococcus mutans, lactobacilliAbstract
Dental caries is a disease widely spread in the world, therefore, it has been and it isstill the most frequent disease of modern man. Due to the high incidence of this
oral disease, and to the great need to prevent it, it was decided to conduct this investigation in order to evaluate the connection of the cariogenic microorganisms
and some demographic variables with dental caries in children. A case-control
analytical study was undertaken in the municipality of Matanzas, province of
Matanzas, during the academic course 2004-2005. The study group was composed
of 11 311 children aged 6-12. A randomized sample of 900 children (300 cases and
600 controls) was selected. The highest percentage of white children (62 %) were
affected by caries, 91.3 % and 40 % of the children from the case group had an
elevated degree of infection caused by Streptococcus mutans y lactobacilli,
respectively, which showed a positive association between dental caries and these
variables.
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