Intervention not reported
Smoking cessation ‐ oral spray versus gum · people who smoke
It is very uncertain whether the intervention changes smoking cessation ‐ oral spray versus gum (very low certainty).
1 finding from 1 review
Intervention not reported
Smoking cessation ‐ oral spray versus inhaler · people who smoke
It is very uncertain whether the intervention changes smoking cessation ‐ oral spray versus inhaler (very low certainty).
1 finding from 1 review
Adverse effects on oral health: bleeding on probing (lower arch) · People who had received fixed appliance orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review
Poor oral health-related quality of life (OHRQoL) · Adolescents (10-19 years)
Malocclusions probably have a negative effect on OHRQoL in adolescents, after adjustment for confounders (moderate certainty).
1 finding from 1 review
Impaired OHRQoL, qualitative synthesis: relative effect not estimable across the 13 studies (13,864 participants); moderate quality of evidence (GRADE).
13 studies · 13864 participants
Moderate
Adverse effects on oral health: gingival bleeding (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether full-time clear plastic (removable) retainer changes adverse effects on oral health: gingival bleeding (lower arch) compared with any type of fixed (bonded) retainer (very low certainty).
1 finding from 1 review
Adverse effects on oral health: Gingival Index (lower arch) · People who had received fixed appliance orthodontic treatment
The review found no eligible studies for this question.
1 finding from 1 review
Adverse effects on oral health: caries (lower arch) · People who had received fixed appliance orthodontic treatment
It is very uncertain whether full-time clear plastic (removable) retainer changes adverse effects on oral health: caries (lower arch) compared with any type of fixed (bonded) retainer (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 essential oils/herbal mouthwash; GRADE not reported.
4 findings from 1 review
MD -44.1 [-59.12, -29.08]
1 study · 20 participants
GRADE not reported
Bay 1993 compared 0.12% CHX with essential oil mouthwash C (Listerine) at pharynx level (Andersen's level 2), which was considered patient level and hence was not analysed. No pooled estimate or GRADE rating.
1 study
GRADE not reported
MD -12.21 [-15.58, -8.83]
3 studies · 76 participants
Low
Show 1 more finding
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
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 ozonated water (very low certainty).
1 finding from 1 review
Caries detection accuracy on intraoral images · Dental images of human beings
The review reported 93.3% accuracy for caries detection on intraoral images in Kühnisch et al. (Ungraded).
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
It is very uncertain whether chlorhexidine (CHX) changes reduction in level of contamination by particles >5 um (droplets) at… compared with cetylpyridinium chloride (CPC) (very low certainty).
9 findings from 1 review
MD 8.8 [2.7, 14.9]
1 study · 20 participants
Very low
MD 17.4 [11.3, 23.5]
1 study · 20 participants
Very low
MD -11.5 [-18.37, -4.63]
1 study · 20 participants
Very low
Show 6 more findings
MD -8.8 [-14.9, -2.7]
1 study · 20 participants
Very low
MD -2.2 [-9.07, 4.67]
1 study · 20 participants
Very low
MD -30 [-85.86, 25.86]
1 study · 30 participants
Very low
MD -0.2 [-6.3, 5.9]
1 study · 20 participants
Very low
MD 13.6 [6.73, 20.47]
1 study · 20 participants
Very low
MD 4.43 [-2.27, 11.13]
2 studies · 50 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
5 findings from 1 review
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
MD -632.94 [-1267.33, 1.45]
3 studies · 80 participants
Very low
MD -101.1 [-107.01, -95.19]
1 study · 20 participants
Low
Show 2 more findings
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
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
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 cetylpyridinium chloride (CPC) changes reduction in level of contamination by particles >5 um (droplets) at… compared with no rinsing (very low certainty).
3 findings from 1 review
MD -0.75 [-1.32, -0.18]
2 studies · 200 participants
Very low
MD -34.8 [-65.92, -3.68]
1 study · 30 participants
Very low
MD -583 [-958.36, -207.64]
1 study · 30 participants
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 chlorhexidine (CHX) changes reduction in level of contamination by particles <=5 um (droplet… compared with povidone iodine (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 cetylpyridinium chloride changes reduction in level of contamination by particles >5 um (droplets) at… compared with cold cetylpyridinium chloride (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 boric acid changes reduction in level of contamination by particles >5 um (droplets) at… compared with water (very low certainty).
2 findings from 1 review
MD -29.3 [-32.65, -25.95]
1 study · 60 participants
Very low
MD -14.04 [-16.47, -11.61]
1 study · 60 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
It is very uncertain whether chlorhexidine (CHX) changes reduction in level of contamination by particles >5 um (droplets) at… compared with ozonated water (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
Cetylpyridinium chloride (CPC) may leads to lower reduction in level of contamination by particles >5 um (droplets) at… compared with water (low certainty).
3 findings from 1 review
MD -246 [-437.96, -54.04]
1 study · 30 participants
Low
MD -0.78 [-1.24, -0.31]
1 study · 105 participants
Very low
MD -48.7 [-67.82, -29.58]
1 study · 30 participants
Very low
Plaque index (PI) / oral hygiene · People with diabetes mellitus (type 1 or type 2, mostly type 2) and periodontitis, at least 16 years of age
Periodontal treatment (subgingival instrumentation, with or without… led to lower plaque index (PI) / oral hygiene compared with no active intervention/usual care; GRADE not reported.
1 finding from 1 review
SMD -2.05 [-2.57, -1.53]
18 studies
GRADE not reported