Non-Cochrane · intervention · PM26831727

Caries remineralisation and arresting effect in children by professionally applied fluoride treatment - a systematic review.

Gao Sherry Shiqian, Zhang Shinan, Mei May Lei, et al. · BMC oral health · 2016 · PubMed · doi:10.1186/s12903-016-0171-6

Oral HealthDental cariesAMSTAR 2: critically low (both extractors)
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
15
current version
GRADE rated
0
No studies
0
Included studies
17
linked below
No studies 0 · 0%Ungraded 15 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%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 with dental caries (early enamel caries/white spot lesions or dentine caries)Children with early enamel caries or dentine caries (17 RCTs; 10 remineralisation, 7 arresting)
InterventionProfessionally applied topical fluoride therapyProfessionally applied fluorides: 5% NaF varnish, 6% NaF + 6% CaF2, NaF gel, 1.23% APF gel, 0.9% silicon tetrafluoride, silver diamine fluoride (10%, 12%, 30%, 38%), nano-silver fluoride
ComparisonNot specifiedMostly single-arm/baseline; some versus no treatment or versus glass ionomer and tooth-brushing
OutcomesRemineralisation of early enamel caries; arresting of dentine cariesProportion of remineralised early enamel caries; proportion of arrested dentine caries; lesion dimensional change
Study designsClinical trials in children17 randomised clinical trials
TimingNot specifiedFollow-up varied; SDF applied one-off, every 6 months, or annually (up to 36 months)

Search date: Publications from 1948 to 2014 (search date not reported). Databases: PubMed; Cochrane Library; ISI Web of Science; Embase

Questions and results

Professionally applied 5% sodium fluoride (NaF) varnish vs Untreated lesions (single-arm before vs after proportion)

Population: Children with early enamel caries or white spot lesions
2 questions
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of early enamel caries (proportion of lesions remineralised)
Professionally applied 5% sodium fluoride varnish remineralised about two-thirds of early enamel caries lesions in children (pooled proportion 63.6%, 95% CI 36.0% to 91.2%; 4 studies); certainty was not GRADE-rated and heterogeneity was very high (I2=96%).
Source: Abstract; Results (Group 1); Fig. 2 · same question in other reviews
Proportion 0.636 [0.360, 0.912]4 studiesUngraded
Dimensional change (size) of early enamel caries lesions
Population: Children with white spot lesions / early enamel caries
In one trial, professionally applied sodium fluoride varnish significantly reduced the size of early enamel caries lesions compared with no fluoride treatment; ungraded.
Source: Results (Group 1); Discussion; ref [28] · same question in other reviews
One clinical trial (Du 2012) evaluating dimensional change reported that the average size of early enamel caries in children receiving professional NaF therapy was significantly smaller than in those with no fluoride…1 studyUngraded

6% sodium fluoride with 6% calcium fluoride varnish vs No treatment

Population: Children with early enamel caries (permanent dentition)
1 question
OutcomeEffectEvidenceStatus / GRADE
Reversal / remineralisation of early enamel caries
One trial found 6% sodium fluoride plus 6% calcium fluoride varnish significantly reversed early enamel caries versus no treatment; ungraded and not meta-analysed.
Source: Results (Group 1); Discussion; ref [25] · same question in other reviews
One study (Xhemnica 2008) reported a significant reversal of early enamel caries using 6% NaF with 6% calcium fluoride compared with no treatment; this study was excluded from the meta-analysis.1 studyUngraded

0.9% silicon tetrafluoride (SiF4) vs Not specified

Population: Children with white spot lesions / early enamel caries
1 question
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of white spot lesions
One trial found professionally applied silicon tetrafluoride did not remineralise white spot lesions; ungraded.
Source: Results (Group 1); Discussion; ref [19] · same question in other reviews
One study found that silicon tetrafluoride could not remineralise white spot lesions.1 studyUngraded

Sodium fluoride (NaF) gel vs Not specified

Population: Children with early (incipient) enamel caries
1 question
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of early enamel caries
One trial found sodium fluoride gel significantly remineralised early enamel caries; ungraded.
Source: Results (Group 1); Discussion; ref [20] · same question in other reviews
One study using sodium fluoride gel showed a significant remineralising effect on early enamel caries.1 studyUngraded

1.23% acidulated phosphate fluoride (APF) gel vs Not specified

Population: Children with incipient (early) enamel caries
1 question
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of early enamel caries
One trial found acidulated phosphate fluoride gel did not remineralise early enamel caries; ungraded.
Source: Results (Group 1); Discussion; ref [21] · same question in other reviews
One double-blind randomised trial found acidulated phosphate fluoride gel was not effective to remineralise early enamel caries.1 studyUngraded

10% silver diamine fluoride (SDF) vs Glass ionomer restoration and tooth-brushing

Population: Children with early enamel caries in erupting permanent first molars
1 question
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of early enamel caries
One pilot study found 10% silver diamine fluoride worked about as well as glass ionomer restoration and tooth-brushing for remineralising early enamel caries; ungraded.
Source: Results (Group 1); Discussion; ref [22] · same question in other reviews
A pilot study found 10% silver diamine fluoride therapy, glass ionomer restoration, and tooth-brushing had a similar effect in remineralising early enamel caries.1 studyUngraded

Professionally applied 38% silver diamine fluoride (SDF) vs Active dentine caries at baseline (single-arm before vs after proportion)

Population: Children with active dentine caries (primary and permanent teeth)
1 question
OutcomeEffectEvidenceStatus / GRADE
Arrest of dentine caries (proportion of surfaces arrested)
Professionally applied 38% silver diamine fluoride arrested about two-thirds of active dentine caries surfaces in children (pooled proportion 65.9%, 95% CI 41.2% to 90.7%; 5 studies); certainty was not GRADE-rated and heterogeneity was very high (I2=96%).
Source: Abstract; Results (Group 2); Fig. 3 · same question in other reviews
Proportion 0.659 [0.412, 0.907]5 studiesUngraded

30% silver diamine fluoride (SDF) vs Not specified

Population: Children with active dentine caries in primary teeth
1 question
OutcomeEffectEvidenceStatus / GRADE
Arrest of dentine caries
One study reported 30% silver diamine fluoride effectively arrested dentine caries in primary teeth; ungraded.
Source: Results (Group 2); Discussion; ref [16] · same question in other reviews
30% SDF was reported as an effective intervention to arrest dentine caries on primary teeth.1 studyUngraded

12% silver diamine fluoride (SDF), single (one-off) application vs Not specified

Population: Children with active dentine caries
1 question
OutcomeEffectEvidenceStatus / GRADE
Arrest of dentine caries
One trial found a single application of 12% silver diamine fluoride did not arrest dentine caries; ungraded.
Source: Results (Group 2); Discussion; ref [15] · same question in other reviews
A one-off application of 12% SDF was found ineffective to arrest caries (Yee 2009).1 studyUngraded

Nano-silver fluoride vs Not specified

Population: Children with active dentine caries
1 question
OutcomeEffectEvidenceStatus / GRADE
Arrest of dentine caries
One randomised trial found nano-silver fluoride arrested dentine caries without the black staining seen with silver diamine fluoride; ungraded.
Source: Results (Group 2); Discussion; ref [17] · same question in other reviews
A randomised trial using nano-silver fluoride found it was effective to arrest dentine caries without causing dark staining.1 studyUngraded

Comparison

4 questions
OutcomeEffectEvidenceStatus / GRADE
Remineralisation of early enamel caries
NaF varnish plus chlorhexidine or calcium fluoride vs NaF varnish alone (no significant added benefit)
no estimate extracted3 studiesUngraded
Arrest of dentine caries
38% SDF twice-yearly vs annual application (higher arrest with twice-yearly)
no estimate extracted1 studyUngraded
Arrest of dentine caries
38% SDF vs 5% NaF varnish (SDF superior)
no estimate extracted2 studiesUngraded
Arrest of dentine caries
SDF vs glass ionomer restoration (SDF superior)
no estimate extracted2 studiesUngraded

AMSTAR 2 appraisal

Two independent extractors rated each item. Their ratings are shown side by side because they have not been reconciled yet. The overall rating follows Shea et al. 2017: one critical flaw gives Low, more than one gives Critically Low.

ItemExtractor AExtractor BAgree
1Research question includes PICO componentsPartial YesPartial Yesyes
2Protocol established before the reviewcriticalNoNoyes
3Choice of study designs explainedNoYesno
4Comprehensive literature searchcriticalPartial YesPartial Yesyes
5Study selection in duplicateYesYesyes
6Data extraction in duplicateNoNoyes
7List of excluded studies with reasonscriticalNoNoyes
8Included studies described in detailPartial YesPartial Yesyes
9Risk of bias assessed satisfactorilycriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
10Funding of included studies reportedNoNoyes
11Appropriate meta-analysis methodscriticalRCT: Yes · NRSI: N/ANRSI: N/A · RCT: Yesno
12Impact of risk of bias on the pooled resultsNoNoyes
13Risk of bias accounted for in interpretationcriticalYesYesyes
14Heterogeneity explainedYesYesyes
15Publication bias investigatedcriticalNoNoyes
16Conflicts of interest reportedYesYesyes
OverallCritically LowCritically Lowyes

Included primary studies 17

Open as a trial list
StudyAlso included byOutcomes it informs hereTrial PICOResults
Zhi et al. 2012
Randomized clinical trial on effectiveness of silver diamine fluoride and glass ionomer in arresting dentine caries in preschool children.
PMID:22892463
3 other reviewsReversal / remineralisation of early enamel caries; Arrest of dentine caries (proportion of surfaces arrested)not extracted yetnot extracted yet
dos Santos et al. 2014
A new "silver-bullet" to treat caries in children--nano silver fluoride: a randomised clinical trial.
PMID:24930870
2 other reviewsArrest of dentine cariesnot extracted yetnot extracted yet
Llodra et al. 2005
Efficacy of silver diamine fluoride for caries reduction in primary teeth and first permanent molars of schoolchildren: 36-month clinical…
PMID:16040729
2 other reviewsReversal / remineralisation of early enamel caries; Arrest of dentine caries (proportion of surfaces arrested)not extracted yetnot extracted yet
Braga et al. 2009
Effect of silver diammine fluoride on incipient caries lesions in erupting permanent first molars: a pilot study.
PMID:19341576
1 other reviewRemineralisation of early enamel cariesnot extracted yetnot extracted yet
Chu et al. 2002
Effectiveness of silver diamine fluoride and sodium fluoride varnish in arresting dentin caries in Chinese pre-school children.
PMID:12407092
1 other reviewReversal / remineralisation of early enamel caries; Arrest of dentine caries (proportion of surfaces arrested)not extracted yetnot extracted yet
dos Santos et al. 2012
Paradigm shift in the effective treatment of caries in schoolchildren at risk.
PMID:22251037
1 other reviewArrest of dentine cariesnot extracted yetnot extracted yet
Almeida et al. 2011
Therapeutic potential of Brazilian fluoride varnishes: an in vivo study.
PMID:21915515
this review onlyRemineralisation of early enamel caries (proportion of lesions remineralised)not extracted yetnot extracted yet
Autio-Gold and Courts 2001
Assessing the effect of fluoride varnish on early enamel carious lesions in the primary dentition.
PMID:11665349
this review onlyRemineralisation of early enamel caries (proportion of lesions remineralised)not extracted yetnot extracted yet
Bonow et al. 2013
Efficacy of 1.23% APF gel applications on incipient carious lesions: a double-blind randomized clinical trial.
PMID:23739785
this review onlyRemineralisation of early enamel cariesnot extracted yetnot extracted yet
De Amorim et al. 2008
Association of chlorhexidine and fluoride for plaque control and white spot lesion remineralization in primary dentition.
PMID:18489576
this review onlyRemineralisation of early enamel caries (proportion of lesions remineralised)not extracted yetnot extracted yet
Du et al. 2012
Randomized controlled trial on fluoride varnish application for treatment of white spot lesion after fixed orthodontic treatment.
PMID:21331637
this review onlyDimensional change (size) of early enamel caries lesionsnot extracted yetnot extracted yet
Ferreira et al. 2009
Therapeutic effect of two fluoride varnishes on white spot lesions: a randomized clinical trial.
PMID:20027453
this review onlyRemineralisation of early enamel caries (proportion of lesions remineralised)not extracted yetnot extracted yet
Kukleva 2002
Treatment of incipient caries in children with fluoride gel.
PMID:12422628
this review onlyRemineralisation of early enamel cariesnot extracted yetnot extracted yet
Lo et al. 2001
A community-based caries control program for pre-school children using topical fluorides: 18-month results.
PMID:11808764
this review onlyReversal / remineralisation of early enamel caries; Arrest of dentine caries (proportion of surfaces arrested)not extracted yetnot extracted yet
Tranæus et al. 2001
Application of quantitative light-induced fluorescence to monitor incipient lesions in caries-active children. A comparative study of…
PMID:11347658
this review onlyRemineralisation of white spot lesionsnot extracted yetnot extracted yet
Xhemnica et al. 2008
Fluoride varnish application: a new prophylactic method in Albania. Effect on enamel carious lesions in permanent dentition.
PMID:18605892
this review onlyReversal / remineralisation of early enamel cariesnot extracted yetnot extracted yet
Yee et al. 2009
Efficacy of silver diamine fluoride for Arresting Caries Treatment.
PMID:19641152
this review onlyReversal / remineralisation of early enamel caries; Arrest of dentine caries (proportion of surfaces arrested)not extracted yetnot extracted yet

Overlap with other reviews

Reviews that include the same primary studies are not independent evidence. Shared counts match studies by PMID, DOI or NCT, and otherwise by author and year (a probable match).