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Einstein (São Paulo)

Print version ISSN 1679-4508On-line version ISSN 2317-6385

Abstract

SILVA, Camilla Beatriz da et al. Streptococcus mutans detection in saliva and colostrum samples. Einstein (São Paulo) [online]. 2019, vol.17, n.1, eAO4515.  Epub Jan 31, 2019. ISSN 2317-6385.  https://doi.org/10.31744/einstein_journal/2019ao4515.

Objective

To detect Streptococcus mutans in colostrum and saliva of neonates and compare with its detection in saliva of mothers.

Methods

Forty-three healthy women, full-term gestations with no complications, submitted to elective Cesarean section, and their newborns were included in the study. Samples were investigated by polymerase chain reaction to detect S. mutans in genetic material from the samples.

Results

Approximately 16% of colostrum samples showed S. mutans , but not correlated with the presence of the bacteria in both samples of saliva. S. mutans was detected in 49 and 30% of saliva samples of mothers and neonates, respectively. There was a positive correlation in S. mutans detection between types of saliva. The number of maternal samples of saliva with detectable S. mutans was smaller in women receiving dental treatment during pregnancy. Tooth brushing, three times a day, influenced the detection of S. mutans in both the saliva and the colostrum.

Conclusion

Although maternal saliva may present S. mutans , few samples of colostrum present the bacteria. The presence of bacteria in neonate saliva may be related to contact before birth. Dental treatment and hygiene habits seem to influence the detection of S. mutans in samples of maternal saliva and colostrum.

Keywords : Streptococcus mutans; Saliva; Colostrum.

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