Gap finder

Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

8 questions in 2 reviews · cluster CL0231

current versions
No studies 0 · 0%Ungraded 1 · 12.5%Very low 2 · 25%Low 5 · 62.5%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.

Intervention categories, outcome domains and clusters are a proposed key pending human validation. Clear all filters

QuestionEffectEvidenceStatus / GRADE
Fluoride-releasing resin-based sealant vs No sealant (no treatment)
Development of >=1 new carious lesion (caries incidence) · Children with caries-free or non-cavitated carious lesion primary molars, aged 3-7 years (paediatric department,… · 12 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
BB OR 1.21 [0.37, 3.94]1 study · 88 participantsLow
Glass ionomer-based sealant vs No sealant
Development of >=1 new carious lesion (caries incidence) · Children with caries-free primary first molars (with or without caries on other teeth), aged 1-5 years (paediatric… · 6-12 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
OR 0.033 [0.007, 0.149]1 study · 107 participantsLow
Glass ionomer-based sealant vs No sealant
Development of >=1 new carious lesion (caries incidence) · Children with caries-free primary first molars (with or without caries on other teeth), aged 1-5 years (paediatric… · 12-30 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
OR 0.97 [0.63, 1.49]1 study · 449 participantsLow
Glass ionomer-based sealant vs Resin-based sealant (fluoride-releasing or non-fluoride-releasing)
Development of >=1 new carious lesion (caries incidence) · 'Healthy' children with caries-free second primary molars, aged 3-5 years (schools and kindergartens, India and China) · 6-24 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
N/A - insufficient quantitative information available; 200 (2 studies). Comments: Due to the methods of data collection, analysis and reporting we were unable to provide any quantitative estimates. Fei 2011 narrative:…2 studies · 200 participantsVery low
Fluoride-releasing resin-based sealant vs Resin-based sealant
Development of >=1 new carious lesion (caries incidence) · Children with caries-free second primary molars, aged 4-8 years (dental clinic, Turkey and Spain) · 6-24 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
N/A - insufficient quantitative information available; 69 (2 studies). Comments: Due to the different sealant materials, data reporting (split-mouth studies reported as parallel-group) and the very low number of tooth…2 studies · 69 participantsLow
Autopolymerised sealant vs Light polymerised sealant
Development of >=1 new carious lesion (caries incidence) · Children with sound primary molars, aged 2-4 years (municipal dental clinics or hospital paediatric clinics, Denmark) · 24-36 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
OR 0.58 [0.15, 2.19]1 study · 52 participantsVery low
Fluoride-releasing resin-based sealant vs No sealant (no treatment)
Development of >=1 new carious lesion (caries incidence) · Children with caries-free or non-cavitated carious lesion primary molars, aged 3-7 years (paediatric department,… · 24 months
Sealants for preventing dental caries in primary teeth (2022) · Cochrane
BB OR 0.76 [0.41, 1.42]1 study · 85 participantsLow
Resin-based pit and fissure sealant (PFS) vs Fluoride varnish (FV)
Caries incidence in first permanent molars · Schoolchildren aged 6-12 years with sound occlusal surfaces of the first permanent molars · 24 months
Pit and Fissure Sealant versus Fluoride Varnish for the Prevention of Dental Caries in School Children: A… (2022)
RR 0.65 [0.31, 1.38]3 studies · 1263 participantsUngraded