Non-Cochrane · prognostic · PM37679718

Is Mutans Streptococci count a risk predictor of Early Childhood Caries? A systematic review and meta-analysis.

Manchanda Sheetal, Sardana Divesh, Peng Simin, et al. · BMC oral health · 2023 · PubMed · doi:10.1186/s12903-023-03346-8

Oral HealthDental cariesAMSTAR 2: not applicable
Full textEvery question was extracted from the full text, figures and supplements by two independent LLM extractors, disagreements adjudicated. Rows cite where in the review the value comes from.
Questions
12
current version
GRADE rated
1
No studies
0
Included studies
23
linked below
No studies 0 · 0%Ungraded 11 · 91.7%Very low 0 · 0%Low 0 · 0%Moderate 1 · 8.3%High 0 · 0%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Review question

ElementPlanned (methods)Found (results)
PopulationChildren younger than 6 years, caries-free (no cavitated or non-cavitated lesions) at recruitmentCaries-free children <6 years (n=3,313 recruited caries-free; 12 studies; 3,010 in the OR analysis)
InterventionPresence of mutans streptococci in oral samples at baselineMutans streptococci present at baseline (12 studies)
ComparisonAbsence of mutans streptococci in oral samples at baselineMutans streptococci absent at baseline (12 studies)
OutcomesDevelopment of any cavitated or non-cavitated carious lesion in primary dentition; future caries experience (dmft/dmfs)Future caries development (binary, OR; 12 studies); future caries experience (continuous, SMD; 4 studies)
Study designsLongitudinal observational (cohort) studiesLongitudinal observational cohort studies (n=12)
TimingAt least 6 months follow-up6 months (n=2); 1 year (n=4); 2 years (n=4); 31 months median (n=1); 42 months (n=1)

Search date: 2022-11-15. Databases: Medline (via Ovid); Embase (via Ovid); Scopus; PubMed; CINAHL; Web of Science; grey literature (OpenGrey, Google Scholar)

Questions and results

Mutans streptococci present in oral samples at baseline vs Mutans streptococci absent in oral samples at baseline

Population: Children younger than 6 years with caries-free primary dentition (no cavitated or non-cavitated lesions at baseline)
11 questions
OutcomeEffectEvidenceStatus / GRADE
Development of any (cavitated or non-cavitated) carious lesion
1 year · Follow-up: 1 year
At 1 year of follow-up, baseline mutans streptococci were associated with higher odds of developing caries (OR 4.37; ungraded subgroup).
Source: Fig. 6 (subgroup by length of follow-up); Results 'Additional analysis' · same question in other reviews
OR 4.37 [3.50, 5.45]4 studies · 2016 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
6 months to 3.5 years · Microbiological assessment: quantitative (culture/CFU counting)
In studies using quantitative (culture-based) microbiological assessment, baseline mutans streptococci were associated with higher odds of developing caries (OR 3.82; ungraded subgroup).
Source: Fig. 4 (subgroup by microbiological assessment method); Results 'Additional analysis' · same question in other reviews
OR 3.82 [2.01, 7.26]6 studies · 732 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
6 months to 3.5 years · Sample: saliva
When mutans streptococci were detected in saliva, baseline presence was associated with higher odds of developing caries (OR 3.92; ungraded subgroup).
Source: Fig. 5 (subgroup by sample used for detection); Results 'Additional analysis' · same question in other reviews
OR 3.92 [3.20, 4.80]9 studies · 2577 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
2 years · Follow-up: 2 years
At 2 years of follow-up, baseline mutans streptococci were associated with higher odds of developing caries (OR 2.53; ungraded subgroup).
Source: Fig. 6 (subgroup by length of follow-up); Results 'Additional analysis' · same question in other reviews
OR 2.53 [1.22, 5.23]4 studies · 297 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
6 months to 3.5 years · Overall
Preschool children with mutans streptococci at baseline probably have about four times higher odds of developing early childhood caries (OR 4.13; moderate certainty).
Source: Table 2 (GRADE evidence profile); Fig. 2 (forest plot); Results 'Synthesis of results'; Abstract · same question in other reviews
OR 4.13 [3.33, 5.12]
282 [230, 336] more per 1,000
12 studies · 3010 participantsModerate
Development of any (cavitated or non-cavitated) carious lesion
6 months to 3.5 years · Sample: plaque
When mutans streptococci were detected in plaque, baseline presence was associated with higher odds of developing caries (OR 5.16; ungraded subgroup).
Source: Fig. 5 (subgroup by sample used for detection); Results 'Additional analysis' · same question in other reviews
OR 5.16 [2.99, 8.91]5 studies · 736 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
2.7 years (31 months median) · Follow-up: 2.7 years (31 months median)
At about 2.7 years (single study), baseline mutans streptococci were associated with higher odds of developing caries (OR 33.00, very wide CI; ungraded subgroup).
Source: Fig. 6 (subgroup by length of follow-up); Results 'Additional analysis' · same question in other reviews
OR 33.00 [3.18, 342.26]1 study · 28 participantsUngraded
Future caries experience (dmft/dmfs)
1 to 2 years · Overall
Children with mutans streptococci at baseline had a greater future caries experience (SMD 0.85, a large effect; ungraded).
Source: Fig. 3 (SMD forest plot); Results 'Synthesis of results'; Abstract · same question in other reviews
SMD 0.85 [0.33, 1.37]4 studies · 1323 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
3.5 years (42 months) · Follow-up: 3.5 years (42 months)
At 3.5 years (single study), baseline mutans streptococci were associated with higher odds of developing caries (OR 4.23; ungraded subgroup).
Source: Fig. 6 (subgroup by length of follow-up); Results 'Additional analysis' · same question in other reviews
OR 4.23 [2.49, 7.18]1 study · 366 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
6 months · Follow-up: 6 months
At 6 months of follow-up, baseline mutans streptococci were associated with higher odds of developing caries (OR 4.65; ungraded subgroup).
Source: Fig. 6 (subgroup by length of follow-up); Results 'Additional analysis' · same question in other reviews
OR 4.65 [2.01, 10.76]2 studies · 303 participantsUngraded
Development of any (cavitated or non-cavitated) carious lesion
6 months to 3.5 years · Microbiological assessment: semi-quantitative (Dentocult/commercial kit)
In studies using semi-quantitative (Dentocult/kit) microbiological assessment, baseline mutans streptococci were associated with higher odds of developing caries (OR 4.36; ungraded subgroup).
Source: Fig. 4 (subgroup by microbiological assessment method); Results 'Additional analysis' · same question in other reviews
OR 4.36 [3.53, 5.39]6 studies · 2278 participantsUngraded

Mutans streptococci detected in plaque or saliva at baseline vs No mutans streptococci detected in plaque or saliva at baseline

Population: Children younger than 6 years with caries-free primary dentition
1 question
OutcomeEffectEvidenceStatus / GRADE
Development of carious lesions
6 months to 3.5 years · Overall sample sensitivity analysis
Across the sample-based sensitivity analysis, mutans streptococci at baseline were associated with higher odds of developing caries.
OR 4.04 [3.33, 4.90]12 studies · 3313 participantsUngraded

Included primary studies 23

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Alaluusua 1983
Streptococcus mutans establishment and dental caries experience in children from 2 to 4 years old.
PMID:6581521
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Alaluusua and Renkonen 1983
Streptococcus mutans establishment and dental caries experience in children from 2 to 4 years old
DOI:10.1111/j.1600-0722.1983.tb00845.x
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Ansai 2000
Influence of colonization with mutans streptococci on caries risk in Japanese preschool children: 24 month survival analysis.
PMID:11048304
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Ansai et al. 2000
matched by author and year (probable)
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Fujiwara 1991
Caries prevalence and salivary mutans streptococci in 0-2-year-old children of Japan.
PMID:1864067
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Fujiwara et al. 1991
Caries prevalence and salivary mutans streptococci in 0–2‐year‐old children of Japan
DOI:10.1111/j.1600-0528.1991.tb00131.x
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Gao 2014
Role of microbiological factors in predicting early childhood caries.
PMID:25198002
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Grindefjord 1995
Caries development in children from 2.5 to 3.5 years of age: a longitudinal study.
PMID:8556747
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Grindefjord et al. 1995
Caries Development in Children from 2.5 to 3.5 Years of Age: A Longitudinal Study
DOI:10.1159/000262113
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Litt 1995
Multidimensional causal model of dental caries development in low-income preschool children.
PMID:7480616
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Litt et al. 1995
matched by author and year (probable)
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Meurman 2010
Factors associated with caries increment: a longitudinal study from 18 months to 5 years of age.
PMID:20975269
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Meurman and Pienihaekkinen 2010
Factors Associated with Caries Increment: A Longitudinal Study from 18 Months to 5 Years of Age
DOI:10.1159/000320717
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
O'Sullivan 1996
Caries experience and mutans streptococci as indicators of caries incidence.
PMID:8897528
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
O'Sullivan and Thibodeau 1996
matched by author and year (probable)
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Seki 2003
Evaluation of mutans streptococci in plaque and saliva: correlation with caries development in preschool children.
PMID:12735923
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Seki 2006
Effect of mixed mutans streptococci colonization on caries development.
PMID:16390341
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Seki et al. 2003
Evaluation of mutans streptococci in plaque and saliva: correlation with caries development in preschool children
DOI:10.1016/s0300-5712(03)00033-2
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Seki et al. 2006
Effect of mixed mutans streptococci colonization on caries development
DOI:10.1111/j.1399-302x.2005.00253.x
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Tenovuo 1990
Caries development in children in relation to the presence of mutans streptococci in dental plaque and of serum antibodies against whole…
PMID:2293894
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Tenovuo et al. 1990
Caries Development in Children in Relation to the Presence of Mutans Streptococci in Dental Plaque and of Serum Antibodies against Whole…
DOI:10.1159/000261240
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Wendt 1996
Analysis of caries-related factors in infants and toddlers living in Sweden.
PMID:8739147
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet
Wendt et al. 1996
Analysis of caries-related factors in infants and toddlers living in Sweden
DOI:10.3109/00016359609006019
this review onlyDevelopment of any (cavitated or non-cavitated) carious lesionnot extracted yetnot extracted yet