Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,890 questions · 3,917 findings · 272 reviews · All outcomes

No studies found 429 · 11%GRADE not reported 2,657 · 67.8%Very low 512 · 13.1%Low 219 · 5.6%Moderate 80 · 2%High 20 · 0.5%

Any method, procedure or policy to reduce contaminated aerosols in dental clinics vs Any other method, no treatment or combination of methods

Incidence of infection of dental staff or patients · Dental healthcare providers (dentist, dental surgery assistant, dental hygienist, dental technologist, dental laboratory staff, dental…

The review found no eligible studies for this question.

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Change in DMFT (decayed, missing and filled permanent teeth) increment · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to lower change in DMFT (decayed, missing and filled permanent teeth) increment compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

Combination system (Isolite) vs Rubber dam + HVE

Reduction in level of contamination in aerosols (CFU) during water spray using high-speed handpiece · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether combination system (Isolite) changes reduction in level of contamination in aerosols (CFU) during water… compared with rubber dam + HVE (very low certainty).

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Number of visits to the dentist for repair of sealant or fluoride varnish application · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to higher number of visits to the dentist for repair of sealant or fluoride… compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

High-volume evacuation (HVE) vs No HVE

Reduction in level of contamination in aerosols (CFU) during ultrasonic scaling and air polishing at less than 1 foot (~30 cm) from oral cavity (RCTs) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether high-volume evacuation (HVE) changes reduction in level of contamination in aerosols (CFU) during… compared with no HVE (very low certainty).

1 finding from 1 review

Glass ionomer or resin-modified glass ionomer fissure sealant vs Fluoride varnish

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

Rubber dam vs No rubber dam

Reduction in level of contamination in aerosols (CFU) during restorative procedures at operator's forehead (RCT) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether rubber dam changes reduction in level of contamination in aerosols (CFU) during… compared with no rubber dam (very low certainty).

1 finding from 1 review

Resin-based fissure sealant plus fluoride varnish vs Fluoride varnish

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

It is very uncertain whether resin-based fissure sealant plus fluoride varnish changes dentine caries in permanent molars (yes/no) compared with fluoride varnish alone (very low certainty).

1 finding from 1 review

Resin-based fissure sealant vs Fluoride varnish

Change in DMFS (decayed, missing and filled permanent surfaces) increment · Children and adolescents (general population, aged under 20 years)

Resin-based fissure sealant led to lower change in DMFS (decayed, missing and filled permanent surfaces)… compared with fluoride varnish; GRADE not reported.

1 finding from 1 review

Chlorhexidine (mouthrinse or gel), as part of oral hygiene care vs placebo or usual care

Duration of systemic antibiotic use · Critically ill patients (adults and children) receiving mechanical ventilation in ICU

Chlorhexidine (mouthrinse or gel), as part of oral hygiene care showed no clear difference in duration of systemic antibiotic use compared with placebo or usual care; GRADE not reported.

1 finding from 1 review

Rubber dam + HVE vs Cotton roll + HVE

Reduction in level of contamination in aerosols (CFU) during restorative procedures at dental unit light · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether rubber dam + HVE changes reduction in level of contamination in aerosols (CFU) during… compared with cotton roll + HVE (very low certainty).

1 finding from 1 review

Air cleaning system (ACS) vs No air cleaning system

Reduction in level of contamination in aerosols (CFU) during ultrasonic scaling · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether air cleaning system (ACS) changes reduction in level of contamination in aerosols (CFU) during… compared with no air cleaning system (very low certainty).

1 finding from 1 review

Combination system (Isolite) vs HVE

Reduction in level of contamination in aerosols (CFU) during water spray using high-speed handpiece · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether combination system (Isolite) changes reduction in level of contamination in aerosols (CFU) during water… compared with HVE (very low certainty).

1 finding from 1 review

Toothbrushing (with or without antiseptics), as part of oral hygiene care vs No toothbrushing (with or without antiseptics)

Adverse effects · Critically ill adults receiving mechanical ventilation in ICU
1 finding from 1 review