The indigenous oral flora of man—I

McCarthy, Charlotte; Snyder, Marshall L.; Parker, R. B.

doi:10.1016/0003-9969(65)90058-0

Cited by 108 publications

(7 citation statements)

References 13 publications

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“…P < 0.01 compared with reference group. months of age, all children tested had the genera Streptococcus, Staphylococcus, Veillonella, and Neisseria in the oral flora (17). At least half of those tested had the genera Actinomvces, Lactobacillus, Rothia (Nocardia), and Fuisobacterium.…”

Section: Resultsmentioning

confidence: 98%

Nine-year microflora study of an isolator-maintained immunodeficient child

Taylor¹,

Kropp²,

Molina³

1985

Appl Environ Microbiol

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A male child, maintained in a controlled environment, was monitored each month for bacteria, yeasts, and filamentous fungi recovered from the mouth, nasal passages, feces, and nine body surface sites. Three natural microbial categories became apparent. (i) Incident microorganisms were recovered from within the isolator but did not establish permanent residence. Of the 53 incident types isolated, 20 were filamentous fungi and 4 were yeasts. Some genera, such as Fusobacterium, Lactobacillus, Neisseria, and Rothia, which were commonly found in the reference group, did not become permanent inhabitants. (ii) Transient microorganisms were repeatedly recovered but could not be demonstrated within the isolated environment at the end of the study. The loss of only a few of the 19 transient species could be associated with antimicrobial therapy. (iii) Permanent microorganisms consisted of Pencillium citrinum and 17 bacterial types, of which alpha-hemolytic streptococci, Staphylococcus edpidermidis subgroups II and V, Micrococcus groups 1 and 2, Clostridium bifermentans, and Propionibacterium acnes were recovered throughout the entire 9 years of the study. The number of CFUs recovered from each sample type was generally not unlike that from the reference group of healthy male adults. Also, the number of different aerobic species recovered from the feces was within the normal range of that of the reference group. In contrast, the number of different species recovered from all other samples was less than that commonly found in the reference group.

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Section: Resultsmentioning

confidence: 98%

Nine-year microflora study of an isolator-maintained immunodeficient child

Taylor¹,

Kropp²,

Molina³

1985

Appl Environ Microbiol

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“…There are several reports of the isolation of this bacterium from the oral region (Knighton, 1965;McCarthy et al, 1965;Socransky and Manganiello, 1971;Kondell et al, 1984), but no detailed characterization was done.…”

Section: Introductionmentioning

confidence: 99%

Incidence and Characterization of Staphylococcus aureus from the Tongues of Children

et al. 1991

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Three hundred and seven children who had no diseases other than dental disease were examined for their oral carriage of Staphylococcus aureus, the most common persistent human pathogen. Eighty-four percent of them were positive for staphylococci, and 33% were positive for S. aureus. Among the 100 strains of S. aureus isolated, 40 strains produced enterotoxin, and 19 strains produced exfoliative toxin. Their susceptibility to antibiotics was also investigated: Six strains demonstrated resistance to methicillin (MIC greater than or equal to 12.5 microgram/mL), and 50% of the isolates were borderline resistant (MIC of 3.13 to 6.25 micrograms/mL) to the drug. These data suggest that the mouths of children could be reservoirs of pathogenic S. aureus.

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“…511 However, it is logical to comprehend that acquisition of mutans streptococci by the infants must have some dependence on the factors like age, number of teeth present and feeding practices, which have been shown in various studies. 1467101115-17 …”

Section: Discussionmentioning

confidence: 99%

“…45 Mutans streptococci is strongly associated with carious lesions in man and laboratory animals and have been implicated in the initiation of carious lesions, while lactobacilli are believed to be involved in its progression. They are considered to be one of the prime etiologic agents of dental caries.…”

Section: Introductionmentioning

confidence: 99%

Mutans Streptococci Colonization in Relation to Feeding Practices, Age and the Number of Teeth in 6 to 30-Month-Old Children: Anin vivoStudy

Sharma

Prabhakar

Gaur

2012

International Journal of Clinical Pediatric Dentistry

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Background: Early childhood caries has been characterized as first affecting the primary maxillary anterior teeth, followed by the involvement of the primary molars. Other terms for dental caries in preschool children, which inappropriately may imply cause for the disease, includes baby bottle tooth decay, nursing caries, milk bottle syndrome, baby bottle caries, nursing bottle mouth and nursing mouth.Aim: To explore the relationships of feeding practices, age and number of teeth present with mutans streptococci colonization in infants.Design and setting: A comparative clinical study conducted on 160 children aged from 6 to 30 months in the Department of Pedodontics and Preventive Dentistry, Bapuji Dental College and Hospital in collaboration with Child Health Institute and Research Center and Department of Oral Pathology and Microbiology, Bapuji Dental College and Hospital, Davangere.Materials and methods: Baseline data collection included: (i) Parents of the infants were asked open ended questions about the baby feeding practices, (ii) The age of the subjects were obtained from the immunization register maintained at Child Health Institute and Research Center and were grouped into group I (6-11 months), group II (12-17 months), group III (18-23 months) and group IV (24-30 months), (iii) Clinical examination of children was done by using mouth mirror and explorer in flash light.6 For each child number and location of erupted teeth was recorded, (iv) Microbial screening for mutans streptococci involved sampling of saliva from each child was performed by placing a sterile wooden tongue blade on the dorsum of the tongue and the number of colony forming units (CFU) were recorded.Results: According to feeding practices, 34 children were in breastfed category, 39 were in baby bottle category and 87 children reported no bottle usage. Out of 160 children examined, a total 142 children were colonized with mutans streptococci. 18 children were found to be colonized with low colony forming units, 78 children were found to be colonized with moderate colony forming units and 64 children were colonized with high colony forming units. In baby bottle group, all of 39 subjects were reported to have sweetened milk, sugar in the bottle.Conclusion: Among different feeding practices, all the three subgroups viz breastfed children, children with nursing bottle usage and children with no bottle usage, all have shown mutans streptococci acquisition. But breastfed children have shown least number of high colony forming units, which is increased in the case of children using nursing bottle and is maximum in the children who were neither breastfed nor fed with nursing bottle. Percentage of children colonized with mutans streptococci increases with age and as the number of teeth increase, number of colony forming units were also found to be increasing.How to cite this article: Sharma R, Prabhakar AR, Gaur A. Mutans Streptococci Colonization in Relation to Feeding Practices, Age and the Number of Teeth in 6 to 30-Month-Old Children: ...

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The indigenous oral flora of man—I

Cited by 108 publications

References 13 publications

Nine-year microflora study of an isolator-maintained immunodeficient child

Nine-year microflora study of an isolator-maintained immunodeficient child

Incidence and Characterization of Staphylococcus aureus from the Tongues of Children

Mutans Streptococci Colonization in Relation to Feeding Practices, Age and the Number of Teeth in 6 to 30-Month-Old Children: Anin vivoStudy

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