Correlation among mutans streptococci counts, dental caries, and IgA to Streptococcus mutans in saliva
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Data
2004-10-01
Autores
Koga-Ito, Cristiane Yumi
Martins, Clélia Aparecida Paiva de
Balducci, Ivan
Jorge, Antonio Olavo Cardoso [UNESP]
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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.
Descrição
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
Como citar
Pesquisa odontológica brasileira = Brazilian oral research., v. 18, n. 4, p. 350-355, 2004.