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Evidence found and GRADE certainty

4,320 questions · 4,561 findings · 388 reviews

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No studies found 1,138 · 25%GRADE not reported 886 · 19.4%Very low 1,014 · 22.2%Low 849 · 18.6%Moderate 543 · 11.9%High 131 · 2.9%

Scheduled dental recall intervals (1-, 3- or 6-monthly; oral hygiene instruction with or without scale and polish) plus daily supervised toothbrushing by carers vs usual care

Gingival bleeding (various bleeding indices) · Adults (mean age 30.9 years), level of ID unclear; setting day centre

Scheduled dental recall intervals (1-, 3- or 6-monthly; oral hygiene… showed no clear difference in gingival bleeding (long term) compared with usual care (no specific treatment) (low certainty).

1 finding from 1 review

1450 to 1500 ppm F toothpaste vs 250 ppm F 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 may leads to lower caries increment, tooth index D(M)FT compared with 250 ppm F toothpaste (low certainty).

1 finding from 1 review

0.6% eucalyptus chewing gum vs 0.4% eucalyptus 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 0.4% eucalyptus chewing gum; GRADE not reported.

1 finding from 1 review

Toothbrushing + 0.075% cetylpyridinium chloride mouthwash vs Toothbrushing alone

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 3 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

Pycnogenol chewing gum vs Placebo chewing gum

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

Pycnogenol chewing gum led to lower VSC: hydrogen sulphide compared with placebo chewing gum; GRADE not reported.

1 finding from 1 review

Fluoride toothpaste vs Placebo (non-fluoride) toothpaste or fluoride toothpaste of a different concentration

Adverse effects of toothpaste · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)
1 finding from 1 review