evidencegaps
Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

292 questions · 331 findings · 39 reviews

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 48 · 14.5%GRADE not reported 150 · 45.3%Very low 81 · 24.5%Low 24 · 7.3%Moderate 19 · 5.7%High 9 · 2.7%

Chlorhexidine (vaginal wash or gel/cream) vs placebo or no treatment

Adverse (mild) effects in the mother · women with vaginal or rectal colonization with GBS during labour and their preterm/term infants

It is very uncertain whether chlorhexidine (vaginal wash or gel/cream) changes adverse (mild) effects in the mother compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Chlorhexidine mouthwash vs placebo

Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Chlorhexidine mouthwash reduced Mutans streptococci versus placebo, but certainty is very low.

1 finding from 1 review

Chlorhexidine mouthwash vs Blank control

Cariogenic bacteria (Mutans streptococci) · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Chlorhexidine mouthwash reduced Mutans streptococci versus blank control, but certainty is very low.

1 finding from 1 review

Chlorhexidine mouthwash vs placebo

Plaque index (PI) / oral hygiene · People undergoing orthodontic treatment (any age; 9 to 34 years in included studies)

Chlorhexidine mouthwash reduced Plaque Index versus placebo, but certainty is very low.

1 finding from 1 review

Chlorhexidine vs povidone‐iodine

Adverse events (maternal) ‐ skin irritation or allergic skin reaction · women undergoing caesarean section

It is very uncertain whether chlorhexidine gluconate changes adverse events (maternal) ‐ skin irritation or allergic skin reaction compared with povidone iodine (very low certainty).

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

Mucositis eradicated · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Chlorhexidine mouthwash showed no clear difference in mucositis eradicated compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

Time to heal mucositis (days) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Chlorhexidine mouthwash showed no clear difference in time to heal mucositis (days) compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Chlorhexidine mouthwash vs Salt and soda mouthwash

Average pain scores (0-100 VAS) · People with cancer receiving chemotherapy or radiotherapy (or both) who have oral mucositis

Chlorhexidine mouthwash showed no clear difference in average pain scores (0-100 VAS) compared with salt and soda mouthwash; GRADE not reported.

1 finding from 1 review

Mouthwash (amine/stannous fluoride; or chlorhexidine + cetylpyridinium + zinc) vs Chlorhexidine mouthwash or tap water

OLT and VSC scores · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…
1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    7 days
    Wigger-Alberti 2010 mouthwash data (ASF; CHX + CPC + Zn; CHX; tap water) were calculated from a graph (Additional Table 1) but not included, as the report did not give details of sample size per group.
    1 study
    GRADE not reported

Bathing of the critically ill with chlorhexidine vs bathing with soap and water or non‐antimicrobial washcloths

Mortality (ICU, hospital) (days) · critically ill patients

It is very uncertain whether bathing of the critically ill with chlorhexidine changes mortality Data collected (where reported) in hospital, in the ICU,… compared with bathing with soap and water or non‐antimicrobial washcloths (very low certainty).

1 finding from 1 review

1% chlorhexidine + 1% thymol varnish vs 38% SDF + potassium iodide solution (applied annually)

Arrest or reversal of noncavitated and cavitated root carious lesions · Adults (including institutionalized/older adults) with noncavitated and cavitated carious lesions on root surfaces (permanent teeth)

1% chlorhexidine + 1% thymol varnish may not differ from 38% SDF + potassium iodide solution (applied annually) for arrest or reversal of root carious lesions (RR 0.71, 95% CI 0.11 to 4.45; very low certainty).

1 finding from 1 review

1% chlorhexidine + 1% thymol varnish vs Fluoride varnish

Arrest or reversal of noncavitated and cavitated root carious lesions · Adults (including institutionalized/older adults) with noncavitated and cavitated carious lesions on root surfaces (permanent teeth)

1% chlorhexidine + 1% thymol varnish may not differ from 5% NaF varnish for arrest or reversal of root carious lesions (RR 0.57, 95% CI 0.04 to 8.69; very low certainty).

1 finding from 1 review

1% chlorhexidine + 1% thymol varnish vs no treatment

Arrest or reversal of noncavitated and cavitated root carious lesions · Adults (including institutionalized/older adults) with noncavitated and cavitated carious lesions on root surfaces (permanent teeth)

1% chlorhexidine + 1% thymol varnish may not differ from no treatment for arrest or reversal of root carious lesions (RR 1.67, 95% CI 0.44 to 6.31; very low certainty).

1 finding from 1 review