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
It is very uncertain whether povidone iodine changes reduction in level of contamination by particles >5 um (droplets) at… compared with saline (very low certainty).
1 finding from 1 review
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
Chlorhexidine (CHX) led to lower reduction in level of contamination by particles >5 um (droplets) at… compared with saline; GRADE not reported.
2 findings from 1 review
MD -668.4 [-1044.45, -292.35]
1 study · 20 participants
GRADE not reported
MD -21.33 [-36.8, -5.86]
1 study · 12 participants
Very low
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
3 findings from 1 review
Bay 1993 compared essential oil mouthwash C (Listerine) with distilled water and reported combined CFUs at different levels using Andersen's air sampler; level 2 (pharynx) was considered patient level and was not…
1 study
GRADE not reported
At operator level, because of high heterogeneity (I2 = 98%), the results were not meta-analysed (3 studies; Gupta 2014, Nayak 2020, Shetty 2013). No pooled estimate or GRADE rating.
3 studies
GRADE not reported
At assistant level, because of high heterogeneity (I2 = 99%), the results were not meta-analysed (3 studies; Gupta 2014, Nayak 2020, Shetty 2013). No pooled estimate or GRADE rating.
3 studies
GRADE not reported
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
It is very uncertain whether chlorhexidine (CHX) changes reduction in level of contamination by particles >5 um (droplets) at… compared with boric acid (very low certainty).
2 findings from 1 review
MD -8.03 [-9.65, -6.41]
1 study · 60 participants
Very low
MD -26.6 [-28.24, -24.96]
1 study · 60 participants
Very low
Reduction in level of contamination by particles <=5 um (droplet nuclei) at >=2 m from patient's oral cavity · Dental patients undergoing aerosol-generating procedures (AGPs) and the dental healthcare providers treating them
It is very uncertain whether povidone iodine changes reduction in level of contamination by particles <=5 um (droplet… compared with ozonated water (very low certainty).
2 findings from 1 review
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
It is very uncertain whether chlorhexidine (CHX) changes reduction in level of contamination by particles >5 um (droplets) at… compared with povidone iodine (very low certainty).
2 findings from 1 review
Reduction in level of contamination by particles <=5 um (droplet nuclei) at >=2 m from patient's oral cavity · Dental patients undergoing aerosol-generating procedures (AGPs) and the dental healthcare providers treating them
It is very uncertain whether chlorhexidine (CHX) changes reduction in level of contamination by particles <=5 um (droplet… compared with ozonated water (very low certainty).
2 findings from 1 review
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
It is very uncertain whether tempered chlorhexidine changes reduction in level of contamination by particles >5 um (droplets) at… compared with non-tempered chlorhexidine (very low certainty).
3 findings from 1 review
MD -10.8 [-15.15, -6.45]
1 study · 20 participants
Very low
MD -17.6 [-23.7, -11.5]
1 study · 20 participants
Very low
MD -15.8 [-22.67, -8.93]
1 study · 20 participants
Very low
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
1 finding from 1 review
At operator level, because of high heterogeneity (I2 = 89%), which could not be explained, the results were not meta-analysed (2 studies, 60 participants; Feres 2010, Retamal-Valdes 2017). No pooled estimate or GRADE…
2 studies · 60 participants
GRADE not reported
Changes in microbiome in oral cavity, nasal cavity, oro- or nasopharynx · Patients without suspected or confirmed COVID-19 infection undergoing aerosol-generating procedures (AGPs), and the healthcare workers…
The review found no eligible studies for this question.
1 finding from 1 review
Other adverse events (allergy, irritation/burning of nasal, oral or oropharyngeal mucosa, long-term staining of mucous membranes or teeth, accidental ingestion) · Patients without suspected or confirmed COVID-19 infection undergoing aerosol-generating procedures (AGPs), and the healthcare workers…
The review found no eligible studies for this question.
1 finding from 1 review
Other adverse events (allergy, irritation/burning of nasal, oral or oropharyngeal mucosa, long-term staining of mucous membranes or teeth, accidental ingestion) · Patients with suspected or confirmed COVID-19 infection
The review found no eligible studies for this question.
1 finding from 1 review
Changes in microbiome in oral cavity, nasal cavity, oro- or nasopharynx · Healthcare workers (HCWs) treating patients with suspected or confirmed COVID-19 infection
The review found no eligible studies for this question.
1 finding from 1 review
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
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
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
Other adverse events (allergy, irritation/burning of nasal, oral or oropharyngeal mucosa, long-term staining of mucous membranes or teeth, accidental ingestion) · Healthcare workers (HCWs) treating patients with suspected or confirmed COVID-19 infection
The review found no eligible studies for this question.
1 finding from 1 review
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
Changes in microbiome in oral cavity, nasal cavity, oro- or nasopharynx · Patients with suspected or confirmed COVID-19 infection
The review found no eligible studies for this question.
1 finding from 1 review
Incidence of VAP · Critically ill patients receiving mechanical ventilation in ICU
1 finding from 1 review
Povidone iodine versus usual care (Seguin 2006, 67 participants): a reduction in VAP was found; single study, not replicated, interpret with caution.
1 study · 67 participants
GRADE not reported