Streptococcus mutans and Streptococcus sanguinis colonization correlated with caries experience in children

  • Ge Y
  • Caufield P
  • Fisch G
 et al. 
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Abstract

The aim of this study was to examine the colonization of Streptococcus mutans and Streptococcus sanguinis in the oral cavity and the association with severe early childhood caries (S-ECC). Saliva and plaque samples were collected from 14 S-ECC children and 8 caries-free (CF) children. All S-ECC children were S. mutans positive; 100% of CF children and 93% of S-ECC children were S. sanguinis positive. The children's caries severity was positively correlated with levels of S. mutans (p < 0.001), total oral streptococci (p < 0.01), total cultivable oral bacteria (p < 0.05), and children's age (p < 0.05). Logistic regression analysis showed that the interaction of S. sanguinis with S. mutans was a significant factor associated with the caries status in children, suggesting that the relative levels of these two microorganisms in the oral cavity play an important role in caries development.

Author-supplied keywords

  • Early childhood caries
  • Streptococcus mutans
  • Streptococcus sanguinis

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Authors

  • Y. Ge

  • P. W. Caufield

  • G. S. Fisch

  • Y. Li

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