Findings

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Evidence found and GRADE certainty

4,411 questions · 5,986 findings · 226 reviews · Oral Health

No studies found 1,305 · 21.8%GRADE not reported 2,988 · 49.9%Very low 1,030 · 17.2%Low 476 · 8%Moderate 156 · 2.6%High 31 · 0.5%

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Pycnogenol chewing gum vs Placebo chewing gum

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

Pycnogenol chewing gum showed no clear difference in VSC: methyl sulphide compared with placebo chewing gum; GRADE not reported.

1 finding from 1 review

Acupressure at P6 point with sea band vs sham

Presence or absence of gagging · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

The review found no eligible studies for this question.

1 finding from 1 review

Laser (low-level laser) at P6 point vs sham control

Presence or absence of gagging · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled children

It is very uncertain whether laser (low-level laser) at P6 point changes presence or absence of gagging compared with control (sham/dummy laser) (very low certainty).

1 finding from 1 review

Rubber/elastomeric cleaning stick plus toothbrushing vs Toothbrushing alone

Plaque · Adults, 16 years and older (dentate)

It is very uncertain whether rubber/elastomeric cleaning stick plus toothbrushing changes plaque compared with toothbrushing alone (very low certainty).

1 finding from 1 review

Acupressure at P6 point with sea band plus sedation vs Sham (dummy) acupressure with sedation

Completion of dental treatment · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

It is very uncertain whether acupressure at P6 point with sea band plus sedation changes completion of dental procedure compared with sham (dummy) acupressure with sedation (very low certainty).

1 finding from 1 review

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

1 finding from 1 review

Mechanical tongue cleaning (tongue scraper) vs No tongue cleaning

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 mechanical tongue cleaning (tongue scraper) changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with no tongue cleaning (very low certainty).

1 finding from 1 review

0.6% eucalyptus chewing gum vs Placebo chewing gum

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

0.2% zinc sulphate toothpaste vs Placebo toothpaste (without zinc)

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 0.2% zinc sulphate toothpaste changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with placebo toothpaste (without zinc) (very low certainty).

1 finding from 1 review

Subgingival laser irradiation + povidone-iodine vs SRP

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 subgingival laser irradiation + povidone-iodine changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with SRP alone (very low certainty).

1 finding from 1 review

Oral hygiene care training of carers vs No training (or a placebo training session) of carers

Oral health knowledge of carers (medium term) · People with mixed levels of ID (age range unclear); setting residential

Oral hygiene care training of carers may leads to higher oral health knowledge of carers (medium term) compared with no training (or a placebo training session) of carers (low certainty).

1 finding from 1 review

1000 to 1250 ppm F toothpaste vs 440 to 550 ppm F toothpaste

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

1000 to 1250 ppm F toothpaste showed no clear difference in caries increment, surface index D(M)FS compared with 440 to 550 ppm F toothpaste (low certainty).

1 finding from 1 review

1450 to 1500 ppm F toothpaste vs 1000 to 1250 ppm F toothpaste

Proportion developing new caries · Children and adolescents with immature permanent dentition (aged 5 to 16 years at study start)

1450 to 1500 ppm F toothpaste showed no clear difference in proportion developing new caries compared with 1000 to 1250 ppm F toothpaste (low certainty).

1 finding from 1 review

Patient-used 250 ppm F mouthrinse (100 ppm amine F/150 ppm NaF), daily vs 0 ppm F placebo mouthrinse, daily

Number of participants with new demineralised lesions (DLs) · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)

It is very uncertain whether patient-used 250 ppm F mouthrinse (100 ppm amine F/150 ppm NaF), daily changes number of participants with new demineralised lesions (DLs) compared with 0 ppm F placebo mouthrinse, daily (very low certainty).

1 finding from 1 review

Extra-oral pulp extirpation at day 0 vs Intra-oral pulp extirpation at day 7

Radiographic resorption (proxy measure for periodontal healing) at 12 months · People with avulsed and replanted permanent (front) teeth

It is very uncertain whether extra-oral pulp extirpation at day 0 changes radiographic resorption (proxy measure for periodontal healing) at… compared with intra-oral pulp extirpation at day 7 (very low certainty).

1 finding from 1 review