Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,372 questions · 3,874 findings · 666 reviews

No studies found 431 · 11.1%GRADE not reported 783 · 20.2%Very low 995 · 25.7%Low 909 · 23.5%Moderate 596 · 15.4%High 160 · 4.1%

High-volume evacuation (HVE) vs No HVE

Reduction in contamination of aerosols on operator's face shield/mask (RCTs) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

High-volume evacuation (HVE) showed no clear difference in reduction in contamination of aerosols on operator's face… compared with no HVE; GRADE not reported.

1 finding from 1 review

High-volume evacuation (HVE) vs Conventional dental suction (low-volume evacuator / saliva ejector)

Reduction in level of contamination in aerosols (CFU) during ultrasonic scaling at 40 cm from mouth · 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 conventional dental suction (low-volume evacuator / saliva ejector) (very low certainty).

1 finding from 1 review

High-volume evacuation (HVE) vs No HVE

Reduction in level of contamination in aerosols (CFU) at more than 1 foot from oral cavity (CCT) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

High-volume evacuation (HVE) led to lower reduction in level of contamination in aerosols (CFU) at more than 1… compared with no HVE; GRADE not reported.

1 finding from 1 review

High-volume evacuation (HVE) vs No HVE

Reduction in level of contamination in aerosols (CFU) at less than 1 foot from oral cavity (CCTs) · People undergoing aerosol-generating procedures (AGPs) in a dental setting

High-volume evacuation (HVE) showed no clear difference in reduction in level of contamination in aerosols (CFU) at less than 1… compared with no HVE; 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 more than 1 foot from oral cavity (RCT) · 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

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

High-volume evacuation (HVE) vs Conventional dental suction (low-volume evacuator / saliva ejector)

Reduction in level of contamination in aerosols (CFU) during ultrasonic scaling at 150 cm from mouth · 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 conventional dental suction (low-volume evacuator / saliva ejector) (very low certainty).

1 finding from 1 review

High dental-caries prevalence vs Not applicable

Oral health-related quality of life · people aged 60 years and older living in the community

The review reported higher OHRQoL in the low than high dental-caries-prevalence category.

1 finding from 1 review