Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,378 questions · 2,146 findings · 145 reviews · Oral Health

No studies found 167 · 7.8%GRADE not reported 1,674 · 78%Very low 148 · 6.9%Low 113 · 5.3%Moderate 40 · 1.9%High 4 · 0.2%

1000 to 1250 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)

1000 to 1250 ppm F toothpaste leads to lower caries increment, surface index D(M)FS compared with non-fluoride (0 ppm F) placebo toothpaste (high certainty).

1 finding from 1 review

2400 to 2800 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)

2400 to 2800 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

Antimicrobial photodynamic therapy (PDT) vs No photodynamic therapy (untreated negative control)

Microbial reduction (viable count, log CFU/mL) · Patients with dental caries (in vivo cariogenic microorganisms, including children with early childhood caries)

In randomized clinical trials, photodynamic therapy significantly reduced cariogenic microbial counts versus untreated control (SMD -1.16, 95% CI -2.02 to -0.30; 2 trials), but heterogeneity was high (I2=70%) and considered too high to rely on; certainty was not graded.

1 finding from 1 review

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

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

250 ppm F toothpaste showed no clear difference in caries increment, tooth index D(M)FT compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

440 to 550 ppm F toothpaste vs 250 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)

440 to 550 ppm F toothpaste showed no clear difference in caries increment, surface index D(M)FS compared with 250 ppm F toothpaste (low certainty).

1 finding from 1 review

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

Proportion developing new caries · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

250 ppm F toothpaste showed no clear difference in proportion developing new caries compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

High-viscosity glass-ionomer ART restorations vs Conventional treatment using H-GIC (rotary instruments)

Discomfort associated with the procedure · People with dental caries in primary teeth (mainly children)

ART using high-viscosity glass ionomer cement (H-GIC), hand… showed no clear difference in participant experience (discomfort during procedure) compared with conventional treatment using H-GIC (rotary instruments); GRADE not reported.

1 finding from 1 review

High-viscosity glass-ionomer ART restorations vs Amalgam restoration

Restoration failure (primary dentition) · Children with carious primary teeth

ART using H-GIC showed no clear difference in restoration failure (primary teeth) compared with conventional treatment using amalgam; GRADE not reported.

1 finding from 1 review

High-viscosity glass-ionomer ART restorations vs Conventional treatment using composite (with local anaesthetic)

Restoration failure (primary dentition) · Children with carious primary teeth

ART using H-GIC led to higher restoration failure (primary teeth) compared with conventional treatment using composite (with local anaesthetic); GRADE not reported.

1 finding from 1 review

High-viscosity glass-ionomer ART restorations vs Conventional treatment using H-GIC (rotary instruments)

Pain (during procedure, primary dentition) · People with dental caries in primary teeth (mainly children)

ART using high-viscosity glass ionomer cement (H-GIC), hand… showed no clear difference in pain (during procedure, primary dentition) compared with conventional treatment using H-GIC (rotary instruments) (low certainty).

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Filled primary surfaces at 3 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

Fluoride supplementation (tablets, drops, lozenges or chewing gum) showed no clear difference in filled primary surfaces at 5 years compared with placebo or no treatment; GRADE not reported.

2 findings from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Fluorosis (maxillary teeth) at 5 years · Pregnant women (for preventing dental caries in the primary teeth of their children)

It is very uncertain whether fluoride supplementation (tablets, drops, lozenges or chewing gum) changes fluorosis (maxillary teeth) at 5 years compared with placebo or no treatment (very low certainty).

1 finding from 1 review

High-viscosity glass-ionomer ART restorations vs Conventional treatment using composite (with local anaesthetic)

Pain (primary dentition) · Children with carious primary teeth

ART using H-GIC showed no clear difference in pain (primary dentition) compared with conventional treatment using composite (with local anaesthetic); GRADE not reported.

1 finding from 1 review

Fluoride supplementation (tablets, drops, lozenges or chewing gum) vs placebo or no treatment

Caries in primary teeth: dmft (3 years) · Pregnant women (for preventing dental caries in the primary teeth of their children)

The review found no eligible studies for this question.

1 finding from 1 review

ART using glass ionomer cement (GIC) vs Amalgam restoration

Restoration failure (primary dentition) · Children and adolescents with dental caries (primary teeth and permanent immature teeth)

ART using glass ionomer cement (GIC) showed no clear difference in restoration failure (primary teeth) compared with conventional treatment using amalgam; GRADE not reported.

1 finding from 1 review