Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,338 questions · 2,104 findings · 136 reviews · Dental caries

No studies found 159 · 7.6%GRADE not reported 1,657 · 78.8%Very low 138 · 6.6%Low 111 · 5.3%Moderate 36 · 1.7%High 3 · 0.1%

Resin-based fissure sealant (2nd/3rd/4th generation) vs No sealant (control/no treatment)

Dentine caries in permanent molars (24 months) · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant (2nd/3rd/4th generation) probably leads to lower dentine caries in permanent molars (24 months) compared with no sealant (control/no treatment) (moderate certainty).

1 finding from 1 review

Dementia (any type or severity) vs Older people without dementia

Coronal caries (mean number) · Older people (aged 60 years or older) with dementia

Coronal caries was higher in older people with dementia (0.1 to 2.9) than without (0.0 to 1.0), described as significantly more common but not pooled (ungraded).

1 finding from 1 review

Glass ionomer-based sealant vs Resin-based sealant

Dentine caries in permanent molars (24 months) · Children and adolescents (general population, aged under 20 years)
1 finding from 1 review

E-cigarette aerosol / e-liquid exposure (flavored and unflavored; nicotine and non-nicotine) vs Unexposed controls / unflavored e-liquid / conventional cigarette smoke

Cariogenic and commensal oral bacteria (S. mutans and commensal streptococci growth, adhesion, biofilm) · Oral bacteria (streptococci), dental hard tissue (enamel/dentin) and e-liquids studied in vitro/ex vivo (with a few clinical microbiome…

Most in vitro studies indicate e-cigarette aerosol/e-liquid (especially flavored/high-concentration) disrupts normal oral flora and favors cariogenic S. mutans growth and biofilm, plausibly increasing caries risk; not pooled (ungraded, narrative).

1 finding from 1 review

38% SDF (indirect pulp capping) vs Resin-modified glass ionomer cement (RMGIC)

Restoration color, marginal staining and luster (esthetics) · Children with deep occlusal caries in young permanent first molars (indirect pulp capping)

RMGIC gave significantly better restoration esthetics than SDF, which caused black staining (p=0.03; ungraded).

1 finding from 1 review

38% SDF plus oral health education vs oral health instruction plus tonic water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF had a 62% preventative fraction; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF plus potassium iodide and oral health instruction vs oral health instruction plus tonic water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF plus potassium iodide had a 52% preventative fraction; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF plus oral health education vs oral health instruction plus water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF plus oral health education had a 33% preventative fraction at 24 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF varnish plus oral health instruction vs oral health instruction plus water

new root-surface carious lesions or restorations · Older adults with root caries in permanent (mature) teeth (mean age 75 years)

SDF had a 71% preventative fraction at 36 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF every 12 months vs water every 12 months

new carious lesions or fillings at fissure-site level · children with caries in permanent molars

SDF had a 52% preventative fraction at fissure-site level; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

38% SDF one-time application without brushing programme vs no treatment without brushing programme

new carious lesions or fillings · Children with dental caries in permanent (first) molars

The review reported no significant result for SDF; no effect estimate or GRADE rating was reported.

1 finding from 1 review

OHI + 38% SDF (applied every 12 months) vs oral health instruction plus water

new root-surface carious lesions or restorations · community-dwelling older adults with root caries

SDF had a 28% preventative fraction at 24 months; no pooled estimate or GRADE rating was reported.

1 finding from 1 review

Autopolymerised sealant vs Light polymerised sealant

Retention of sealant (complete or partial retention) · Children with sound primary molars, aged 2-4 years (municipal dental clinics or hospital paediatric clinics, Denmark)

It is very uncertain whether autopolymerised sealant changes retention of sealant (complete or partial retention) compared with light polymerised sealant (very low certainty).

1 finding from 1 review

Adaptive dragonfly algorithm with neural-network classifier vs KNN or SVM (not disaggregated in source)

Accuracy advantage in test case 2 · Dental images of human beings

The review reported a 52% accuracy advantage in Patil test case 2 (Ungraded).

2 findings from 1 review