Document Detail


Association of Streptococcus mutans infection and oral developmental nodules in pre-dentate infants.
MedLine Citation:
PMID:  11706957     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Since dental caries may present soon after tooth eruption, we hypothesized that colonization of Streptococcus mutans can occur in the predentate stages. In this study, we examined S. mutans colonization and its association with oral developmental nodules (Bohn's nodules) in 60 pre-term and 128 full-term, three-month-old infants. Overall, S. mutans was cultured from 30% (56/188) of the infants, and oral developmental nodules were noted in 55% (103/188). Compared with the pre-term, full-term infants showed a higher prevalence of S. mutans (34% vs. 20%, p < 0.02) as well as developmental nodules (61% vs. 42%, p < 0.05). In both groups, S. mutans was positively associated with numbers of developmental nodules in a dose-response relationship (p < 0.001), and with maternal salivary levels of the bacteria (p = 0.03). The permanence of S. mutans infection was confirmed by repeat saliva sampling at 6 months of age. Our results thus showed that many infants have already acquired S. mutans at 3 months of age, prior to tooth eruption.
Authors:
A K Wan; W K Seow; L J Walsh; P Bird; D L Tudehope; D M Purdie
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of dental research     Volume:  80     ISSN:  0022-0345     ISO Abbreviation:  J. Dent. Res.     Publication Date:  2001 Oct 
Date Detail:
Created Date:  2001-11-14     Completed Date:  2001-12-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0354343     Medline TA:  J Dent Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1945-8     Citation Subset:  D; IM    
Affiliation:
University of Queensland, School of Dentistry, Brisbane, Australia.
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MeSH Terms
Descriptor/Qualifier:
Alveolar Process / microbiology
Chi-Square Distribution
Cohort Studies
Confidence Intervals
Cysts / complications*
Female
Follow-Up Studies
Humans
Infant
Infant, Newborn
Infant, Premature
Logistic Models
Mouth Diseases / complications*
Mouth Mucosa / microbiology,  pathology*
Odds Ratio
Saliva / microbiology
Statistics, Nonparametric
Streptococcal Infections / complications*,  transmission
Streptococcus mutans / growth & development*
Tongue / microbiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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