Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · Oral Health

No studies found 287 · 19%GRADE not reported 823 · 54.4%Very low 243 · 16.1%Low 104 · 6.9%Moderate 49 · 3.2%High 8 · 0.5%

Hinokitiol gel vs Placebo gel

Adverse events · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    mean 4 weeks
    Adverse events: listed in the Summary of findings table but no data reported. No data were reported for adverse events.
    0 studies
    No studies found

0.6% eucalyptus chewing gum vs Placebo chewing gum

Volatile sulphur compounds (VSC), halimeter · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

0.6% eucalyptus chewing gum showed no clear difference in volatile sulphur compounds (VSC) compared with placebo chewing gum; GRADE not reported.

1 finding from 1 review

1450 to 1500 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, tooth index D(M)FT · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1450 to 1500 ppm F toothpaste probably leads to lower caries increment, tooth index D(M)FT compared with non-fluoride (0 ppm F) placebo toothpaste (moderate certainty).

1 finding from 1 review

Lemongrass oil mouthwash vs Placebo mouthwash

Volatile sulphur compounds (VSC), halimeter · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Lemongrass oil mouthwash led to lower volatile sulphur compounds (VSC), halimeter compared with placebo mouthwash; GRADE not reported.

1 finding from 1 review

38% silver diamine fluoride vs placebo

Root carious lesions arrest · Older adults with root carious lesions (exposed root surfaces)

One review reported SDF may reduce progression of root caries, with no numeric result (ungraded).

3 findings from 1 review

Hinokitiol gel vs Placebo gel

VSC: methyl mercaptan · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Hinokitiol gel showed no clear difference in VSC: methyl mercaptan compared with placebo gel; GRADE not reported.

1 finding from 1 review

Chlorhexidine + zinc acetate mouthwash vs Placebo mouthwash

Adverse events · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    mean 3 months
    Adverse events: listed in the Summary of findings table but no data reported. No data were reported for adverse events.
    0 studies
    No studies found

2400 to 2800 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, tooth index D(M)FT · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

2400 to 2800 ppm F toothpaste may leads to lower caries increment, tooth index D(M)FT compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

1450 to 1500 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, surface index D(M)FS · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1450 to 1500 ppm F toothpaste probably leads to lower caries increment, surface index D(M)FS compared with non-fluoride (0 ppm F) placebo toothpaste (moderate certainty).

1 finding from 1 review

1700 to 2200 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, tooth index D(M)FT · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1700 to 2200 ppm F toothpaste may leads to lower caries increment, tooth index D(M)FT compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

250 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, surface index D(M)FS · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

250 ppm F toothpaste may leads to lower caries increment, surface index D(M)FS compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

1000 mg champignon extract vs placebo

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

It is very uncertain whether 1000 mg champignon extract changes patient-reported visual analogue scale (VAS) score (scale 0 to 100) compared with placebo (very low certainty).

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Outcome not reported · People with Von Willebrand disease undergoing minor oral surgery or dental extractions

The review found no eligible studies for this question.

1 finding from 1 review

0.6% eucalyptus chewing gum vs Placebo chewing gum

Patient-reported OLT score · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

The review found no eligible studies for this question.

1 finding from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    mean 4 weeks
    Patient-reported OLT score: listed in the Summary of findings table but no data reported. No data were reported for patient-reported OLT score.
    0 studies
    No studies found

Essential oil mouthwash vs Placebo mouthwash

Volatile sulphur compounds (VSC), halimeter · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Essential oil mouthwash showed no clear difference in volatile sulphur compounds (VSC), halimeter compared with placebo mouthwash; GRADE not reported.

2 findings from 1 review
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    2 weeks
    MD -5.13 [-32.94, 22.68]
    1 study · 45 participants
    GRADE not reported
  • Interventions for managing halitosis 2019 · Cochrane All outcomes
    Garcia 2014 (2-arm RCT) compared essential oil mouthwash versus placebo mouthwash (VSC by halimeter). We could not include the results in the meta-analysis because of the missing SD and P value.
    1 study
    GRADE not reported

Cetylpyridinium chloride mouthwash vs Placebo mouthwash

Volatile sulphur compounds (VSC), halimeter · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

Cetylpyridinium chloride mouthwash led to lower volatile sulphur compounds (VSC), halimeter compared with placebo mouthwash; GRADE not reported.

1 finding from 1 review

Hinokitiol gel vs Placebo gel

Dentist-reported organoleptic test (OLT) score (scale 0 to 5) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

It is very uncertain whether hinokitiol gel changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with placebo gel (very low certainty).

1 finding from 1 review

1000 mg champignon extract vs placebo

Patient's family member-reported VAS score (scale 0 to 100) · Adolescents and adults aged over 16 years with clinical or self-assessed halitosis of oral origin; excluding induced or physiological…

1000 mg champignon extract showed no clear difference in patient's family member-reported VAS score (scale 0 to 100) compared with placebo; GRADE not reported.

1 finding from 1 review

Antifibrinolytic therapy (tranexamic acid or epsilon aminocaproic acid) vs Placebo, no intervention or usual care (with or without placebo)

Major bleeding, requiring transfusion of packed red blood cells · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions
1 finding from 1 review