What do systematic reviews say?

5 questions · 5 findings · 1 reviews · Orthodontics

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 3 · 60%Low 2 · 40%Moderate 0 · 0%High 0 · 0%

Chlorhexidine mouthwash vs Placebo mouthwash

Probing pocket depth (PPD/PD) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)

Chlorhexidine mouthwash may reduce pocket probing depth versus placebo in the short term (low certainty).

1 finding from 1 review

The efficacy of mouthwashes on oral microorganisms and gingivitis in patients undergoing orthodontic treatment:… 2023 All outcomes
<=3 months (short-term) · Orthodontic patients undergoing orthodontic treatment (randomized controlled trials; multiple countries)
PD was significantly reduced except mid-lingual site compared to placebo [32]. The changes of PD were significantly higher compared to placebo [56].
2 studies
Low

Chlorhexidine mouthwash vs Blank control

Plaque · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)

Chlorhexidine mouthwash may reduce the Plaque Index versus blank control in the short term (WMD -0.70, 95% CI -1.12 to -0.27), but the evidence is very uncertain (very low certainty).

1 finding from 1 review

The efficacy of mouthwashes on oral microorganisms and gingivitis in patients undergoing orthodontic treatment:… 2023 All outcomes
<=3 months (short-term) · Orthodontic patients undergoing orthodontic treatment (randomized controlled trials; multiple countries)
WMD -0.70 [-1.12, -0.27]
4 studies · 188 participants
Very low

Chlorhexidine mouthwash vs Blank control

Gingival index (GI) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)

Chlorhexidine mouthwash may reduce the Gingival Index versus blank control in the short term (WMD -0.54, 95% CI -0.96 to -0.13), but with very high heterogeneity the evidence is very uncertain (very low certainty).

1 finding from 1 review

The efficacy of mouthwashes on oral microorganisms and gingivitis in patients undergoing orthodontic treatment:… 2023 All outcomes
<=3 months (short-term) · Orthodontic patients undergoing orthodontic treatment (randomized controlled trials; multiple countries)
WMD -0.54 [-0.96, -0.13]
6 studies · 274 participants
Very low

Chlorhexidine mouthwash vs Placebo mouthwash

Gingival index (GI) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)

Chlorhexidine mouthwash probably reduces the Gingival Index versus placebo in the short term (WMD -0.45, 95% CI -0.70 to -0.20; low certainty).

1 finding from 1 review

The efficacy of mouthwashes on oral microorganisms and gingivitis in patients undergoing orthodontic treatment:… 2023 All outcomes
<=3 months (short-term) · Orthodontic patients undergoing orthodontic treatment (randomized controlled trials; multiple countries)
WMD -0.45 [-0.70, -0.20]
3 studies · 98 participants
Low

Chlorhexidine mouthwash vs Blank control

Total bacteria (colony count) · Orthodontic patients (any age) undergoing orthodontic treatment (mostly fixed appliances)

Chlorhexidine mouthwash may reduce total bacteria colony counts versus blank control in the short term, but the evidence is very uncertain (very low certainty).

1 finding from 1 review

The efficacy of mouthwashes on oral microorganisms and gingivitis in patients undergoing orthodontic treatment:… 2023 All outcomes
<=3 months (short-term) · Orthodontic patients undergoing orthodontic treatment (randomized controlled trials; multiple countries)
Colony count of total bacteria were significantly reduced compared to placebos according to two studies [34, 43].
2 studies
Very low