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Horizontal transmission of streptococcus mutans in schoolchildren

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Horizontal transmission of streptococcus mutans in schoolchildren

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dc.contributor.author Baca García, Pilar es
dc.contributor.author Castillo, Ana es
dc.contributor.author Liébana, Maria J. es
dc.contributor.author Castillo, Francisca es
dc.contributor.author Martín Platero, Antonio es
dc.contributor.author Liébana Ureña, José es
dc.date.accessioned 2017-07-25T10:17:36Z
dc.date.available 2017-07-25T10:17:36Z
dc.date.issued 2012 es
dc.identifier.citation Baca García, Pilar ; Castillo, Ana ; Liébana, Maria J. ; Castillo, Francisca ; Martín Platero, Antonio ; Liébana Ureña, José. Horizontal transmission of streptococcus mutans in schoolchildren. En: Medicina oral, patología oral y cirugía bucal. Ed. inglesa, 17 3 2012: 2- es
dc.identifier.uri http://hdl.handle.net/10550/59942
dc.description.abstract Objetive: The aim of this study was to analyze possible horizontal transmission patterns of S. mutans among 6-7-yr-old schoolchildren from the same class, identifying genotypes and their diversity and relationship with caries disease status. Study Design: Caries indexes and saliva mutans streptococci and lactobacilli counts were recorded in 42 schoolchildren. Mutans streptococci colonies were identified by means of biochemical tests and all S. mutans strains were genotyped by arbitrarily primed polymerase chain reaction. A child was considered free of S. mutans when it could not be isolated in 3 samples at 1-week intervals. Results: S. mutans was isolated in 30 schoolchildren: 20 having one genotype and 10 two genotypes. Higher mutans streptococci and caries index values were found in those with two genotypes. Five genotypes were isolated in more than 1 schoolchild and one of these was isolated in 3 schoolchildren. Our results suggest that horizontal transmission may take place. Conclusion: Schoolchildren aged 6-7 yrs may be the source of mutual transmission of S. mutans. es
dc.title Horizontal transmission of streptococcus mutans in schoolchildren es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/medoral.17592 es
dc.type.hasVersion VoR es_ES

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