Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

106 questions · 114 findings · 19 reviews · Dental caries

No studies found 34 · 29.8%GRADE not reported 37 · 32.5%Very low 22 · 19.3%Low 14 · 12.3%Moderate 7 · 6.1%High 0 · 0%

Low‐level laser therapy vs Low-level laser therapy (LLLT) + calcium hydroxide

Radiological failure · Children with extensive decay involving the dental pulp in primary teeth

Low-level laser therapy (LLLT) showed no clear difference in radiological failure compared with low-level laser therapy (LLLT) + calcium hydroxide; GRADE not reported.

1 finding from 1 review

Chlorhexidine varnish (10%) vs placebo or no treatment

Elevated mutans streptococci levels (>=4 with caries screen; high vs low) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

It is very uncertain whether chlorhexidine varnish (10%) changes elevated mutans streptococci levels (>=4 with caries screen; high vs… compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Slow-release fluoride devices vs Alternative fluoride therapy (topical fluoride: toothpaste, mouthrinse, gel, or varnish)

Outcome not reported · Children or adults

The review found no eligible studies for this question.

1 finding from 1 review

Slow-release fluoride device (fluoride glass beads) vs placebo or usual care

Caries increment, surface index D(M)FS · Children with high risk of dental decay

It is very uncertain whether slow-release fluoride device (fluoride glass beads) changes increase in DMFS at 2 years compared with baseline compared with placebo or usual care (control) (very low certainty).

1 finding from 1 review

Slow-release fluoride device (fluoride glass beads) vs placebo or usual care

Caries increment, tooth index D(M)FT · Children with high risk of dental decay

It is very uncertain whether slow-release fluoride device (fluoride glass beads) changes increase in DMFT at 2 years compared with baseline compared with placebo or usual care (control) (very low certainty).

1 finding from 1 review

Flowable resin composite vs Fluoride-releasing resin-based sealant

Retention of sealant (complete or partial retention) · Children who were regular dental attenders with caries-free first or second primary molars (public health service clinic, Brazil)
1 finding from 1 review
  • Sealants for preventing dental caries in primary teeth 2022 · Cochrane All outcomes
    12 months
    Effect estimate not calculable. All sealants were completely or partially retained; 40 (1 RCT). Flowable composite: 39/40 completely retained (1 partially lost) at 6 months; resin-based: 33 completely and 7 partially…
    1 study · 40 participants
    Low