What do systematic reviews say?

Oral hygiene interventions (mechanical plaque removal): knowledge-based, behavioural, or skills training for people with ID or their carers vs Usual care, no care, or a similar alternative intervention

• Oral hygiene interventions for people with intellectual disabilities 2019 · Cochrane All outcomes
  Adverse/unintended effects addressed narratively: 10 of 34 studies investigated or reported negative unintended or adverse effects (e.g. difficulty with the electric or 3-headed toothbrushes, being frightened by the…
  10 studies
  GRADE not reported

Oral hygiene interventions (mechanical plaque removal): knowledge-based, behavioural, or skills training for people with ID or their carers vs Usual care, no care, or a similar alternative intervention

The review found no eligible studies for this question.

• Oral hygiene interventions for people with intellectual disabilities 2019 · Cochrane All outcomes
  No studies measured dental caries levels. One RCT (Shaw 1991, Comparison 5) assessed DMFT at baseline only and did not report caries at any later time point.
  0 studies
  No studies found

Oral hygiene interventions (mechanical plaque removal): knowledge-based, behavioural, or skills training for people with ID or their carers vs Usual care, no care, or a similar alternative intervention

The review found no eligible studies for this question.

• Oral hygiene interventions for people with intellectual disabilities 2019 · Cochrane All outcomes
  No studies measured quality of life changes or long-term, patient-centred outcomes as formal outcomes; some studies commented on quality of life only in the discussion or conclusion sections.
  0 studies
  No studies found

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

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

The review found no eligible studies for this question.

• Oral health educational interventions for nursing home staff and residents 2016 · Cochrane All outcomes
  None of the included studies assessed adverse effects of the intervention.
  0 studies
  No studies found

Professional oral care vs Usual oral care

• Oral care measures for preventing nursing home‐acquired pneumonia 2022 · Cochrane All outcomes
  Measured in only 1 study (834 participants), which reported no serious events and 64 non-serious events, the most common of which were oral cavity disturbances (not defined) and dental staining.
  1 study · 834 participants
  GRADE not reported

General ventilation (e.g. natural ventilation, exhaust fans, opening windows) vs No general ventilation / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

High-volume evacuation (HVE) vs No HVE

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.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -15.71 [-46.37, 14.95]
  2 studies · 42 participants
  GRADE not reported

Rubber dam vs No rubber dam

Rubber dam showed no clear difference in reduction in level of contamination in aerosols (CFU) during… compared with no rubber dam; GRADE not reported.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD 0.52 [-0.11, 1.16]
  1 study · 47 participants
  GRADE not reported

Rubber dam vs No rubber dam

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).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD 0.77 [-0.46, 2.00]
  1 study · 47 participants
  Very low

Rubber dam vs No rubber dam

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).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -11.70 [-15.82, -7.58]
  1 study · 10 participants
  Very low
• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -2.80 [-4.65, -0.95]
  1 study · 20 participants
  GRADE not reported

Povidone iodine coolant vs Distilled water coolant

It is very uncertain whether povidone iodine coolant changes reduction in level of contamination in aerosols (CFU): povidone… compared with distilled water coolant (very low certainty).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -656.45 [-672.74, -640.16]
  1 study · 40 participants
  Very low

Ozonisation vs No ozonisation / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

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

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).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -2.30 [-5.32, 0.72]
  1 study · 6 participants
  Very low

Ultraviolet (UV) light air decontamination vs No UV light / standard operatory

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found

Antimicrobial coolant A (chlorhexidine) vs povidone‐iodine

It is very uncertain whether antimicrobial coolant A (chlorhexidine) changes reduction in level of contamination in aerosols (CFU): chlorhexidine… compared with antimicrobial coolant B (povidone iodine) (very low certainty).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -59.30 [-64.16, -54.44]
  1 study · 20 participants
  Very low

Antimicrobial coolant A (chlorhexidine) vs Antimicrobial coolant B (cinnamon extract)

It is very uncertain whether antimicrobial coolant A (chlorhexidine) changes reduction in level of contamination in aerosols (CFU): chlorhexidine… compared with antimicrobial coolant B (cinnamon extract) (very low certainty).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -11.90 [-35.88, 12.08]
  1 study · 40 participants
  Very low

High-volume evacuation (HVE) vs No HVE

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.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -13.56 [-23.18, -3.94]
  1 study · 30 participants
  GRADE not reported

Cinnamon extract coolant vs Distilled water coolant

It is very uncertain whether cinnamon extract coolant changes reduction in level of contamination in aerosols (CFU): cinnamon… compared with distilled water coolant (very low certainty).

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  MD -644.55 [-668.70, -620.40]
  1 study · 40 participants
  Very low

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

The review found no eligible studies for this question.

• Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
  no estimate extracted
  0 studies
  No studies found