Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,323 questions · 5,762 findings · 263 reviews · Dental caries

No studies found 321 · 5.6%GRADE not reported 4,450 · 77.2%Very low 455 · 7.9%Low 297 · 5.2%Moderate 200 · 3.5%High 39 · 0.7%

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250 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, surface index D(M)FS · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

250 ppm F toothpaste may leads to lower caries increment, surface index D(M)FS compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

Residence in weakly contaminated area (approx. 1-5 Ci/km2) vs Residence in non-contaminated (non-exposed) area (<1 Ci/km2)

Dental caries · Children of mixed ages (mean approximately 12 years; no age separation)

In children of mixed ages from a weakly contaminated area, one study reported higher DMFT/dmft in exposed than non-exposed children; not pooled (ungraded).

1 finding from 1 review

1% chlorhexidine + 1% thymol varnish vs 38% SDF + potassium iodide solution (applied annually)

Arrest or reversal of noncavitated and cavitated root carious lesions · Adults (including institutionalized/older adults) with noncavitated and cavitated carious lesions on root surfaces (permanent teeth)

1% chlorhexidine + 1% thymol varnish may not differ from 38% SDF + potassium iodide solution (applied annually) for arrest or reversal of root carious lesions (RR 0.71, 95% CI 0.11 to 4.45; very low certainty).

1 finding from 1 review

1450 to 1500 ppm F toothpaste vs 1000 to 1250 ppm F toothpaste

Caries increment, tooth index D(M)FT · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1450 to 1500 ppm F toothpaste may leads to lower caries increment, tooth index D(M)FT compared with 1000 to 1250 ppm F toothpaste (low certainty).

1 finding from 1 review

Interdental brushing plus toothbrushing vs Flossing plus toothbrushing

Gingivitis · Adults, 16 years and older (dentate)

Interdental brushing plus toothbrushing may leads to lower gingivitis (proportion of bleeding sites) compared with flossing plus toothbrushing (low certainty).

2 findings from 1 review · compare the 2 reviews

Flossing plus toothbrushing vs Toothbrushing alone

Gingivitis · Adults, 16 years and older (dentate)

It is very uncertain whether flossing plus toothbrushing changes gingivitis (proportion of bleeding sites) compared with toothbrushing alone (very low certainty).

2 findings from 1 review

1450 to 1500 ppm F toothpaste vs 440 to 550 ppm F toothpaste

Caries increment, tooth index D(M)FT · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1450 to 1500 ppm F toothpaste showed no clear difference in caries increment, tooth index D(M)FT compared with 440 to 550 ppm F toothpaste (low certainty).

1 finding from 1 review

1400/250 ppm F (amine F/SnF2) toothpaste + mouthrinse, daily vs 1400/250 ppm F (NaF) toothpaste + mouthrinse, daily

Adverse effects · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)

The review found no eligible studies for this question.

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Pre-treatment (baseline, same group)

Lactobacillus count (pre- vs post-treatment) · Medically healthy individuals (adults and children, 6-60 years)

Salvadora persica rinse reduced Lactobacillus counts relative to baseline; not GRADE-rated.

1 finding from 1 review

Juvenile idiopathic arthritis (JIA) vs Children and adolescents without JIA (healthy peers)

Temporomandibular disorders (TMD), TMJ arthritis/involvement and orofacial pain · Children and adolescents with juvenile idiopathic arthritis (JIA)

TMD and TMJ arthritis/involvement (and orofacial pain) were consistently reported more frequently in children/adolescents with JIA than in healthy peers, though several studies had small samples; no pooled estimate (ungraded).

1 finding from 1 review

30% SDF solution (applied annually) vs 30% SDF solution (once weekly for 3 weeks)

Arrest of advanced cavitated carious lesions on any coronal surface · Preschool children with advanced cavitated carious lesions on any coronal surface (primary teeth)

30% SDF solution (applied annually) probably did not differ from 30% SDF solution (once weekly for 3 weeks) for arrest or reversal of cavitated coronal carious lesions (RR 1.13, 95% CI 0.95 to 1.34; moderate certainty).

3 findings from 1 review

2400 to 2800 ppm F toothpaste vs 1700 to 2200 ppm F toothpaste

Caries increment, surface index D(M)FS · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

2400 to 2800 ppm F toothpaste showed no clear difference in caries increment, surface index D(M)FS compared with 1700 to 2200 ppm F toothpaste (low certainty).

1 finding from 1 review

Salvadora persica (miswak) mouthrinse vs Chlorhexidine mouthrinse

Plaque · Medically healthy individuals (adults and children, 6-60 years)

When usual mechanical plaque control continued, Salvadora persica and chlorhexidine did not differ significantly for plaque; not GRADE-rated.

8 findings from 1 review
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38% silver diamine fluoride vs no treatment

Arrest or reversal of noncavitated and cavitated root carious lesions · Adults (including institutionalized/older adults) with noncavitated and cavitated carious lesions on root surfaces (permanent teeth)

38% SDF solution (applied annually) may not differ from no treatment for arrest or reversal of root carious lesions (RR 1.92, 95% CI 0.52 to 6.87; very low certainty).

1 finding from 1 review

Rubber/elastomeric cleaning stick plus toothbrushing vs Interdental brushing plus toothbrushing

Plaque · Adults, 16 years and older (dentate)

It is very uncertain whether rubber/elastomeric cleaning stick plus toothbrushing changes plaque compared with interdental brushing plus toothbrushing (very low certainty).

1 finding from 1 review

1700 to 2200 ppm F toothpaste vs 1450 to 1500 ppm F toothpaste

Caries increment, surface index D(M)FS · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1700 to 2200 ppm F toothpaste showed no clear difference in caries increment, surface index D(M)FS compared with 1450 to 1500 ppm F toothpaste (moderate certainty).

1 finding from 1 review

CPP-ACP vs No active treatment (control)

Enamel surface microhardness · Extracted human teeth with early/artificial enamel lesions (in vitro)

In vitro, CPP-ACP increased Vickers microhardness versus control (SMD 1.19, 95% CI 0.72 to 1.66; ungraded).

3 findings from 1 review