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Table 2 Characteristics of systematic reviews with experimental interventions that had been found effective and should be implemented in practice

From: Methodological quality and implications for practice of systematic Cochrane reviews in pediatric oral health: a critical assessment

Review

Participants

Intervention

Comparator

Outcome

# RCTs

# pts

Relative effect [95% CI]

1830

Permanent teeth in children and adolescents

Resin-based sealant applications on occlusal tooth surfaces of permanent molars

No sealant application

Dentine caries in permanent molars Follow-up: 2 yr

6

1,066

OR 0.12 [0.07;0.19]

2278

Permanent teeth in children and adolescents

Fluoride toothpaste

Placebo

D(M)FS increment - nearest to 3 yr

70

42,300

SMD -0.31 [-0.35;-0.27]

2278

Permanent teeth in children and adolescents

Fluoride toothpaste

Placebo

D(M)FT increment- nearest to 3 yr

53

32,371

SMD -0.28 [-0.33;-0.23]

2279

Permanent and deciduous teeth in children and adolescents

Fluoride varnishes

Placebo/no treatment

D(M)FS increment - nearest to 3 yr

7

2,278

SMD -0.46 [-0.65;-0.26]

2280

Permanent and deciduous teeth in children and adolescents

Fluoride gels

Placebo

D(M)FS increment - nearest to 3 yr

14

4,492

SMD -0.20 [-0.29;-0.10]

2280

Permanent and deciduous teeth in children and adolescents

Fluoride gels

No treatment

D(M)FS increment - nearest to 3 yr

9

2,677

SMD -0.46 [-0.65;-0.27]

2280

Permanent and deciduous teeth in children and adolescents

Fluoride gels

Placebo

D(M)FT increment - nearest to 3 years

4

1,525

SMD -0.19 [-0.29;-0.09]

2280

Permanent and deciduous teeth in children and adolescents

Fluoride gels

No treatment

D(M)FT increment - nearest to 3 years

6

1,673

SMD -0.73 [-1.13;-0.32]

2284

Permanent and deciduous teeth in children and adolescents

Fluoride mouthrinses

Placebo/no treatment

D(M)FS increment - nearest to 3 years

34

14,663

SMD -0.30 [-0.36;-0.24]

2284

Permanent and deciduous teeth in children and adolescents

Fluoride mouthrinses

Placebo/no treatment

D(M)FT increment - nearest to 3 years

13

5,105

SMD -0.28 [-0.37;-0.20]

2782

Permanent and deciduous teeth in children and adolescents

Topical fluoride

Placebo/no treatment

D(M)FS increment - nearest to 3 years

133

65,179

PF 0.26 [0.23;0.29]

2782

Permanent and deciduous teeth in children and adolescents

Topical fluoride

Placebo/no treatment

D(M)FT increment - nearest to 3 yr

79

41,391

PF 0.26 [0.21;0.30]

2782

Permanent and deciduous teeth in children and adolescents

Topical fluoride

Placebo/no treatment

d(e)fs increment - nearest to 3 yr

5

1,685

PF 0.33 [0.22;0.44]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

D(M)FS increment - nearest to 3 yr

74

Not clear

PF 19.79 [16.72;22.87]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

D(M)FT increment - nearest to 3 yr

54

Not clear

PF 21.1 [16.86;25.47]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

D(M)FS increment nearest to 3 yr

74

Not clear

SMD -0.24 [-0.27;-0.20]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

D(M)FT increment - nearest to 3 yr

54

Not clear

SMD -0.24 [-0.28;-0.20]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

d(m)fs increment - nearest to 3 yr

3

Not clear

PF 34.82 [25.68-43.96]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

d(m)ft increment - nearest to 3 yr

3

Not clear

PF 12.18 [5.08-19.29]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

Proportion developing new caries (permanent)

8

Not clear

RR 0.98 [0.94-1.02]

7868

General population of children and adolescents

Fluoride toothpaste

Placebo or other fluoride toothpaste

Proportion developing new caries (deciduous)

3

Not clear

RR 0.87 [0.81-0.93]

  1. Yr, year; #, number; pts, participants; 95% CI, 95% confidence interval; RR: relative risk; OR: odds ratio; SMD: standardized mean difference; PF: prevented fraction = mean caries increment in controls – mean caries increment in the treated group/mean caries increment in controls. D(M)FS increment: caries increment on permanent tooth surfaces; D(M)FT increment: caries increment in permanent teeth; dmfs increment: caries increment on deciduous tooth surfaces; dmft increment: caries increment in deciduous teeth.