Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

40 questions · 64 findings · 8 reviews

No studies found 7 · 10.9%GRADE not reported 41 · 64.1%Very low 4 · 6.3%Low 8 · 12.5%Moderate 3 · 4.7%High 1 · 1.6%

Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)

NPV for detecting advanced occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly in vitro)

In the German private-practice setting, the negative predictive value of visual detection for advanced occlusal caries was 85.9% at an assumed prevalence of 22.0% (ungraded).

2 findings from 1 review

Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)

Positive LR for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly in vitro)

In the meta-analysis tailored to Egypt, the positive lr of visual detection for all (initial and advanced) occlusal caries was 3.73 (95% CI 3.1 to 4.4) (ungraded).

3 findings from 1 review

Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)

PPV for detecting all (initial and advanced) occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly in vitro)

In the German private-practice setting, the positive predictive value of visual detection for all (initial and advanced) occlusal caries was 82.0% at an assumed prevalence of 45.0% (ungraded).

2 findings from 1 review

Visual caries detection (ICDAS visual/visual-tactile inspection) vs Reference standard (histological validation or cavity/lesion opening; advanced = cavitated/dentin-involved lesions, all = enamel-confined initial lesions also counted)

Sensitivity for detecting advanced occlusal caries · Occlusal surfaces of permanent molars (demonstrated in 12-14 year-olds; underlying diagnostic accuracy studies, mostly in vitro)

In the meta-analysis tailored to Germany, pooled sensitivity of visual detection for advanced occlusal caries was 43.7% (95% CI 37 to 51) (ungraded).

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

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

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

Harms of screening (false-positive/false-negative outcomes) · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…

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

Oral cancer incidence · 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 incidence compared with no screening; GRADE not reported.

2 findings from 1 review

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

Stage at diagnosis (early-stage detection) · 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 led to lower stage at diagnosis (early-stage detection) compared with no screening; GRADE not reported.

2 findings from 1 review

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

Quality of life · Apparently healthy adults aged 35 years or older (general population), living in 13 clusters in rural areas of Trivandrum city, Kerala,…

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

Test performance (sensitivity and specificity) · 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

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

Survival (proportion alive after diagnosis) · 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

Fluorides combined with CPP-ACP vs Fluorides alone (monotherapy)

Visual inspection scores · Patients with early caries lesions in permanent teeth (non-fluoridated water area)

Two trials reported visual inspection scores but could not be pooled (different criteria, missing standard deviations) and gave inconsistent findings, so no quantitative conclusion could be drawn.

1 finding from 1 review

Live attenuated influenza vaccine vs placebo or no intervention

Otitis media · healthy, community‐dwelling children younger than 16 years of age

Live attenuated influenza vaccine showed no clear difference in otitis media assessed by clinical confirmation (inspection of ear… compared with placebo or do nothing (moderate certainty).

1 finding from 1 review

Intervention not reported

Surgical site infection (all wound classifications) Inspection of the wound1 ( · Patients undergoing surgery

The intervention leads to higher surgical site infection (all wound classifications) Inspection of… (high certainty).

1 finding from 1 review

Intervention not reported

Surgical site infection Inspection of the wound1 ( · Patients undergoing surgery

The intervention showed no clear difference in surgical site infection Inspection of the wound1 ( (moderate certainty).

1 finding from 1 review