Mutans Streptococci and dental caries prevalence in a group of Latvian preschool children

Birgitta Köhler, Sibilla Bjarnason, Ruta Care, Inese Mackevica, Inguna Pence

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)


Paraffin‐stimulated saliva samples were collected from 140 children 3‐ and 4‐yr old attending nine nursery schools in Latvia. The salivary levels of mutans streptococci were rated from zero to 3 after being cultured on a commercially available strip selective for these microorganisms. Of the children, 29.3% were rated at zero (∼104 cfu per ml saliva). This group of children demonstrated the lowest mean caries prevalence dmfstot= 1.5 (SD 1.9). The highest dmfstot was found among children in class 2 (38.6%; %105‐106 cfu/ml) and class 3 (12.1% >106 cfu/ml) with a mean caries prevalence of 6.5 (SD 5.8) and 6.4 (SD 6.0), respectively. The study demonstrates the association between high caries prevalence and high salivary levels of mutans streptococci in the young child. It is suggested that early identification of mutans streptococcicolonized children might be of value in selecting at caries risk children for preventive measures.

Original languageEnglish
Pages (from-to)264-266
Number of pages3
JournalEuropean Journal of Oral Sciences
Issue number4
Publication statusPublished - Aug 1995
Externally publishedYes


  • dental caries
  • mutans streptococci
  • prevalence

Field of Science*

  • 3.2 Clinical medicine

Publication Type*

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database


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