Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

245 questions · 277 findings · 32 reviews

No studies found 48 · 17.3%GRADE not reported 109 · 39.4%Very low 70 · 25.3%Low 22 · 7.9%Moderate 19 · 6.9%High 9 · 3.2%

Chlorhexidine vs Cryotherapy (ice chips) 60 minutes

Oral mucositis (any severity) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Chlorhexidine showed no clear difference in oral mucositis (any severity) compared with cryotherapy (ice chips); GRADE not reported.

1 finding from 1 review

Chlorhexidine vs Cryotherapy (ice chips) 60 minutes

Oral mucositis (moderate to severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Chlorhexidine showed no clear difference in oral mucositis (moderate to severe) compared with cryotherapy (ice chips); GRADE not reported.

1 finding from 1 review

Chlorhexidine vs Cryotherapy (ice chips) 60 minutes

Oral mucositis (severe) · Patients with cancer receiving radiotherapy, chemotherapy or targeted therapies

Chlorhexidine showed no clear difference in oral mucositis (severe) compared with cryotherapy (ice chips); GRADE not reported.

1 finding from 1 review

Tempered chlorhexidine vs Non-tempered chlorhexidine

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

Chlorhexidine spray vs Placebo or no intervention (including routine care)

Outcome not reported · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

The review found no eligible studies for this question.

1 finding from 1 review

Chlorhexidine varnish vs placebo or no treatment

Adverse events (e.g. ulcers, tooth staining) · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…
1 finding from 1 review

Chlorhexidine varnish vs placebo or no treatment

Pain, quality of life, patient satisfaction or costs · Children and adolescents below 18 years at study start (included studies: children from birth to 15 years), with mixed, permanent or…

The review found no eligible studies for this question.

1 finding from 1 review