Correlation of microbiological changes in saliva and subgingival biofilm during pregnancy
Información de la publicación
|Información de la publicación|
|Tipo de publicación||
Investigación y estudios
|Medio de publicación||
Impreso: Revista indexada
Objective: During pregnancy, many changes take place within the subgingival microflora. Correlations between the hormones concentration in saliva and changes in oral microflora during pregnancy had been reported. Saliva is the most important source of bacteria colonizing in the subgingival biofilm. The purpose of this study was to assess changes in oral microflora and establish the correlation between microbiological changes in saliva and subgingival biofilm during pregnancy.
Method: Eighty-five pregnant women between 18 to 40 years were evaluated during either their first, second, third trimester or postpartum. Samples of saliva and subgingival plaque were obtained and cultured in agar Brucella supplemented with hemin and vitamin K and incubated during 7 days in an anaerobic atmosphere at 36°C with oxygen concentration below 1%. CFU from the bacterial species were quantified and compared between the different trimesters and postpartum by means of Kruskal Wallis and U Mann-Whitney tests. (p< 0.05).
Result: Microbiological changes in saliva and subgingival plaque were observed, within the different species in both saliva and subgingival plaque, being P. intermedia/nigrescens; P. melaninogenica and P. micra the species that showed changes during pregnancy (p< 0.05). In saliva, these microorganism showed overgrowth from the second quarter and remained even higher in the postpartum (p< 0.05). In subgingival biofilm, P. intermedia/nigrescens and P. melaninogenica showed overgrowth from the first quarter and decreased in postpartum. P. micra only showed changes during second quarter of pregnancy.
Conclusion: Changes in oral microflora in saliva during pregnancy initiated in the second quarter and remained until postpartum. In the subgingival flora the changes, are earlier than those showed in saliva but are reduced immediately when delivery occurs.
D.M. CASTILLO PERDOMO, J.A. QUICENO, L.V. MILLÁN OSPINA, S.L. RADA SR., L.C. SALAS SR., M.A. GONZALEZ SR., and G.I. LAFAURIE,
|Fecha de publicación||11 de mayo de 2012|
|Fecha de aceptación||02 de marzo de 2012|
|Medio indexado (nombre)||
Journal of dental research.
|Bases de datos donde está referenciada||
Articulo in press
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