Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,954 questions · 2,335 findings · 149 reviews · Oral Health

No studies found 436 · 18.7%GRADE not reported 1,370 · 58.7%Very low 254 · 10.9%Low 173 · 7.4%Moderate 80 · 3.4%High 22 · 0.9%

Infiltration injection local anaesthetic vs no treatment or placebo

Physiological parameters (cardiac/respiratory events; type and volume of GA drug) · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…
1 finding from 1 review

Intraligamental injection local anaesthetic vs no treatment

Participant satisfaction · Children and young people aged 17 years or younger having dental treatment (including extractions) under general anaesthesia (secondary…

The review found no eligible studies for this question.

1 finding from 1 review

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

Plaque · Children aged 4 to 12 years attending primary school

Primary school-based behavioural intervention (both oral hygiene and… showed no clear difference in plaque indices (permanent and deciduous teeth) compared with no intervention or delayed intervention (non-intervention control;… (low certainty).

1 finding from 1 review
  • SoF (Plaque indices, follow-up 3 to 15 months): 'All 3 RCTs showed a reduction in plaque in the intervention group compared to control group'; 827 participants (3 RCTs); GRADE low; comment 'Data not suitable for…
    3 studies · 827 participants
    Low

Orthodontic distalising appliance (intraoral or extraoral) vs no intervention

Non-compliance rate of the intervention · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Intraoral distalising appliance vs Another (different) intraoral distalising appliance

Number of visits to complete treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Calculus · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

Triclosan/copolymer-containing fluoride toothpaste showed no clear difference in calculus at 7 months (Volpe-Manhold Calculus Index, mean height of… compared with fluoride toothpaste without triclosan; GRADE not reported.

2 findings from 1 review

Interdental brushing plus toothbrushing vs Toothbrushing alone

Side effects · Adults, 16 years and older (dentate)
1 finding from 1 review · compare the 2 reviews

Fluoride varnish vs placebo or no treatment

Proportion of children developing new caries (deciduous) · Children and adolescents aged 16 years or less

Fluoride varnish showed no clear difference in proportion of children developing one or more new caries… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Participant-centred outcomes (quality of life; satisfaction with product) · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

The review found no eligible studies for this question.

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Plaque · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

Triclosan/copolymer-containing fluoride toothpaste probably leads to lower plaque at 6 to 7 months (Quigley-Hein Plaque Index, 0 to 5 scale) compared with fluoride toothpaste without triclosan (moderate certainty).

3 findings from 1 review

Visual screening (oral visual inspection) by trained health workers vs No screening

Oral cancer mortality (disease-specific) · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…

Visual screening (oral visual inspection) by trained health workers showed no clear difference in oral cancer mortality (disease-specific) compared with no screening (low certainty).

2 findings from 1 review

Interdental brushing plus toothbrushing vs Flossing plus toothbrushing

Gingivitis · Adults, 16 years and older (dentate)

Interdental brushing plus toothbrushing may leads to lower gingivitis (bleeding and gingival indices; standardised across… compared with flossing plus toothbrushing (low certainty).

2 findings from 1 review · compare the 2 reviews

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Dental caries: prevalence of root caries · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

Triclosan/copolymer-containing fluoride toothpaste probably leads to lower root caries at 36 months (Katz Root Caries Index) compared with fluoride toothpaste without triclosan (moderate certainty).

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Gingival bleeding (various bleeding indices) · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

Triclosan/copolymer-containing fluoride toothpaste probably leads to lower gingival bleeding at 6 to 7 months (Gingivitis Severity Index,… compared with fluoride toothpaste without triclosan (moderate certainty).

2 findings from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Fluoride toothpaste without triclosan

Gingivitis · Children and adults (aged 16 years or less = children, over 16 = adults) without periodontitis at baseline; in practice mostly adults,…

Triclosan/copolymer-containing fluoride toothpaste probably leads to lower gingivitis at 6 to 9 months (Loe-Silness Gingival Index, 0 to 3 scale) compared with fluoride toothpaste without triclosan (moderate certainty).

1 finding from 1 review

Orthodontic distalising appliance (intraoral or extraoral) vs no intervention

Duration of treatment · Children and adolescents (aged 16 years or less at the start of treatment) undergoing orthodontic treatment to distalise upper first…

The review found no eligible studies for this question.

1 finding from 1 review

Visual screening (oral visual inspection) by trained health workers vs No screening

Costs · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…
1 finding from 1 review
  • Screening programmes for the early detection and prevention of oral cancer 2013 · Cochrane All outcomes
    9 years (three cycles)
    The costs associated with the screening programme were reported after three cycles (nine years) (Subramanian 2009) (Additional Table 8). The benefit produced by a screen was 269.31 life-years saved per 100,000 for all…
    1 study
    GRADE not reported

Primary school-based behavioural intervention (both oral hygiene and dietary components) vs No treatment (or delayed treatment)

Change in oral health knowledge and skills · Children aged 4 to 12 years attending primary school
1 finding from 1 review