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Evidence found and GRADE certainty

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

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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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1000 or 1100 ppm F toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Caries increment, tooth index D(M)FT · Adults with mature permanent dentition (aged 18 to 93 years at study start)

1000 or 1100 ppm F toothpaste showed no clear difference in caries increment, tooth index DMFT compared with non-fluoride (0 ppm F) placebo toothpaste (low certainty).

1 finding from 1 review

12,500 ppm F (NaF/olaflur/dectaflur) amine fluoride gel vs Placebo gel

Number of participants with more severe DLs (severity of DLs) · Orthodontic patients of any age with fixed braces (new DLs assessed at debond)

The review found no eligible studies for this question.

1 finding from 1 review

2400 to 2800 ppm F toothpaste vs 1700 to 2200 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)

It is very uncertain whether 2400 to 2800 ppm F toothpaste changes caries increment, tooth index D(M)FT compared with 1700 to 2200 ppm F toothpaste (very low certainty).

1 finding from 1 review

1700 to 2200 ppm F toothpaste vs 1000 to 1250 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)

It is very uncertain whether 1700 to 2200 ppm F toothpaste changes caries increment, tooth index D(M)FT compared with 1000 to 1250 ppm F toothpaste (very low certainty).

1 finding from 1 review

0.6% eucalyptus chewing gum vs 0.4% eucalyptus chewing gum

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 0.6% eucalyptus chewing gum changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with 0.4% eucalyptus chewing gum (very low certainty).

1 finding from 1 review

2400 to 2800 ppm F toothpaste vs 1000 to 1250 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)

2400 to 2800 ppm F toothpaste may leads to lower caries increment, surface index D(M)FS compared with 1000 to 1250 ppm F toothpaste (low certainty).

1 finding from 1 review

Dental cavity liner (e.g. calcium hydroxide, glass ionomer, resin-modified glass ionomer, or flowable composite) placed under the restoration vs No liner (resin-based composite bonded directly to the tooth)

Postoperative hypersensitivity (POH), cold response measurement (time in seconds) · Adults or children with a Class I or Class II resin-based composite restoration in a permanent posterior tooth

Dental cavity liner (e.g. calcium hydroxide, glass ionomer,… may leads to higher postoperative hypersensitivity (POH), cold response measurement… compared with no liner (resin-based composite bonded directly to the tooth) (low certainty).

1 finding from 1 review

Rubber/elastomeric cleaning stick plus toothbrushing vs Flossing plus toothbrushing

Gingivitis · Adults, 16 years and older (dentate)

It is very uncertain whether rubber/elastomeric cleaning stick plus toothbrushing changes gingivitis (gingival index) compared with flossing plus toothbrushing (very low certainty).

2 findings from 1 review

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

Number of minor postoperative bleeding episodes · People with haemophilia (A or B) undergoing minor oral surgery or dental extractions

The review found no eligible studies for this question.

1 finding from 1 review

Mechanical tongue cleaning (tongue scraper) vs No tongue cleaning

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 2 weeks
    Patient-reported OLT score assessed with patient's perception: 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

Green tea 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…

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

1 finding from 1 review

Wooden cleaning stick plus toothbrushing vs Toothbrushing alone

Gingivitis · Adults, 16 years and older (dentate)

The review found no eligible studies for this question.

2 findings from 1 review

Acupuncture at P6 point vs sham

Reduction in gagging (assessor-reported – treatment effectiveness) · People (older than four years) classified as having gagging that interfered with dental treatment; included trials enrolled adults

Acupuncture at P6 point showed no clear difference in reduction in gagging (assessor-reported – treatment effectiveness) compared with sham acupuncture; GRADE not reported.

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Sodium fluoride (control) toothpaste

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 1 week
    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

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

Interdental brushing plus toothbrushing vs Toothbrushing alone

Gingivitis · Adults, 16 years and older (dentate)

It is very uncertain whether interdental brushing plus toothbrushing changes gingivitis (gingival index) compared with toothbrushing alone (very low certainty).

3 findings from 2 reviews · compare the 2 reviews

Toothbrushing + Turkish gall oral rinse vs Toothbrushing alone

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…

Toothbrushing + Turkish gall oral rinse showed no clear difference in volatile sulphur compounds (VSC), halimeter compared with toothbrushing; GRADE not reported.

1 finding from 1 review