Findings

What do systematic reviews say?

6 questions · 10 findings · 3 reviews · All outcomes

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No studies found 0 · 0%GRADE not reported 5 · 50%Very low 4 · 40%Low 1 · 10%Moderate 0 · 0%High 0 · 0%

Povidone iodine coolant vs Distilled water coolant

Reduction in level of contamination in aerosols (CFU): cinnamon extract coolant vs distilled water during ultrasonic scaling · People undergoing aerosol-generating procedures (AGPs) in a dental setting

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).

1 finding from 1 review

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

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).

1 finding from 1 review

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

Antimicrobial coolant A (chlorhexidine) vs Distilled water coolant

Reduction in level of contamination in aerosols (CFU): chlorhexidine coolant vs distilled water during ultrasonic scaling · People undergoing aerosol-generating procedures (AGPs) in a dental setting

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

1 finding from 1 review

Interventions to reduce contaminated aerosols produced during dental procedures for preventing infectious diseases 2020 · Cochrane All outcomes
MD -124.00 [-135.78, -112.22]
1 study · 20 participants
Very low

Chlorhexidine vs Water (distilled)

Reduction in level of contamination by particles >5 um (droplets) at <2 m from patient's oral cavity · Dental patients undergoing aerosol-generating procedures (AGPs) and the dental healthcare providers treating them

5 findings from 1 review

Preprocedural mouth rinses for preventing transmission of infectious diseases through aerosols in dental healthcare… 2022 · Cochrane All outcomes
operator level
At operator level, because of high heterogeneity (I2 = 98%), the results were not meta-analysed (6 studies, 196 participants). No pooled estimate or GRADE rating.
6 studies · 196 participants
GRADE not reported
Preprocedural mouth rinses for preventing transmission of infectious diseases through aerosols in dental healthcare… 2022 · Cochrane All outcomes
combined patient and operator level
MD -632.94 [-1267.33, 1.45]
3 studies · 80 participants
Very low
Preprocedural mouth rinses for preventing transmission of infectious diseases through aerosols in dental healthcare… 2022 · Cochrane All outcomes
tempered CHX; combined operator, assistant and patient level
MD -101.1 [-107.01, -95.19]
1 study · 20 participants
Low

Show 2 more findings

Preprocedural mouth rinses for preventing transmission of infectious diseases through aerosols in dental healthcare… 2022 · Cochrane All outcomes
patient level (pharynx; not analysed)
Bay 1993 compared 0.12% CHX with distilled water (30-second rinse) and evaluated the outcome at patient level (Andersen's level 2, oropharynx); the data were not included in the meta-analysis. No pooled estimate or…
1 study
GRADE not reported
Preprocedural mouth rinses for preventing transmission of infectious diseases through aerosols in dental healthcare… 2022 · Cochrane All outcomes
assistant level
At assistant level, because of high heterogeneity (I2 = 96%), the results were not meta-analysed (4 studies, 136 participants). No pooled estimate or GRADE rating.
4 studies · 136 participants
GRADE not reported

Effervescent tablets vs No treatment (immersion in distilled water)

Microbial counts (total aerobes, anaerobes, yeasts) · Complete denture (CD) wearers in a nursing home

1 finding from 1 review

Interventions for cleaning dentures in adults 2009 · Cochrane All outcomes
Moore 1984: soaking methods resulted in significant reduction of total aerobes and anaerobes versus distilled water (paired t test, P < 0.05); three soaking methods (Clorox and Calgon, Polident, Effedent) were less…
1 study · 12 participants
GRADE not reported

Brushing vs No treatment (immersion in distilled water)

Microbial counts (total aerobes, anaerobes, yeasts) · Complete denture (CD) wearers in a nursing home

1 finding from 1 review

Interventions for cleaning dentures in adults 2009 · Cochrane All outcomes
Moore 1984 found that the seven tested methods were similar and resulted in a significant reduction in total aerobes and anaerobes compared with immersion in distilled water (paired t test, P < 0.05). Some chemical…
1 study · 12 participants
GRADE not reported