Correlation among mutans streptococci counts, dental caries, and IgA to Streptococcus mutans in saliva
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FapUNIFESP (SciELO)
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Resumo
Two-hundred and forty individuals were studied, divided into five groups as follows: caries-free children, children with caries, children with rampant caries, young adults with and without caries. Whole stimulated saliva was collected and all individuals were investigated for DMFT/dmft according to the WHO criteria and the simplified oral hygiene index (OHI-S). Quantitative analysis of the total aerobic flora and mutans streptococci in saliva was performed. Also, the level of salivary anti-S. mutans IgA was determined by ELISA. Children with rampant caries showed the highest OHI-S value. The highest total counts of microorganisms were found in the group of children with caries. No statistically significant differences were observed for salivary flow, OHI-S and microorganism counts between the groups of young adults. No correlation between mutans streptococci counts and anti-Streptococcus mutans IgA levels was observed in the studied groups. A correlation between increased anti-Streptococcus mutans IgA levels and caries-free status was observed among young adults but not among children.
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Palavras-chave
secretory immunoglobulin , adolescent , adult , bacterial count , child , dental caries , enzyme linked immunosorbent assay , epidemiology , female , human , immunology , isolation and purification , male , microbiology , preschool child , saliva , Streptococcus mutans , Adolescent , Adult , Child , Child, Preschool , Colony Count, Microbial , Dental Caries , Enzyme-Linked Immunosorbent Assay , Epidemiologic Methods , Female , Humans , Immunoglobulin A, Secretory , Male , Saliva
Idioma
Inglês
Citação
Pesquisa odontológica brasileira = Brazilian oral research., v. 18, n. 4, p. 350-355, 2004.
