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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Wooden cleaning stick plus toothbrushing vs Flossing plus toothbrushing

Gingivitis · Adults, 16 years and older (dentate)

The review found no eligible studies for this question.

2 findings 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

Interdental brushing plus toothbrushing vs Toothbrushing alone

Side effects · Adults, 16 years and older (dentate)
2 findings from 2 reviews · compare the 2 reviews

Miswak (Salvadora persica) stick vs Chlorhexidine mouthwash

Patient self-assessment VAS (scale 0 to 10) · 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 miswak (Salvadora persica) stick changes patient self-assessment VAS (scale 0 to 10) compared with chlorhexidine mouthwash (very low certainty).

1 finding from 1 review

Chlorine dioxide mouthrinse (with tongue scraping) vs Chlorhexidine mouthwash (with tongue scraping)

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

Chlorine dioxide mouthrinse (with tongue scraping) showed no clear difference in VSC: hydrogen sulphide compared with chlorhexidine mouthwash (with tongue scraping); GRADE not reported.

1 finding from 1 review

Protease cysteine + actinidine tablets vs placebo (3 tablets/4 times a day

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

Protease cysteine + actinidine tablets showed no clear difference in volatile sulphur compounds (VSC), OralChroma compared with placebo tablets; GRADE not reported.

1 finding from 1 review

Triclosan/copolymer-containing fluoride toothpaste vs Non-fluoride (0 ppm F) placebo toothpaste

Volatile sulphur compounds (VSC), gas chromatography · 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
    Niles 1999 (cross-over trial) compared 0.3% triclosan + 2.0% PVM/MA + 0.243% NaF toothpaste versus placebo toothpaste; VSC by gas chromatograph. We could not use the results in the meta-analysis as there was no…
    1 study
    GRADE not reported

Chlorine dioxide mouthrinse (with tongue scraping) vs Chlorhexidine mouthwash (with tongue scraping)

Adverse events · 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
    1 week
    Wirthlin 2011 reported altered taste sensation as the adverse event. OLT scores could not be included in the analysis as the group-wise data were not given.
    1 study · 22 participants
    GRADE not reported

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

Slow-release fluoride device (fluoride glass beads) vs Fluoride mouthrinse

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 intraoral fluoride-releasing glass bead device attached to the brace changes number of participants with new demineralised lesions (DLs) compared with 250 ppm F (daily) fluoride mouthrinse (very low certainty).

1 finding from 1 review

Pycnogenol chewing gum vs Placebo chewing gum

VSC: methyl mercaptan · 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 mercaptan compared with placebo chewing gum; GRADE not reported.

1 finding from 1 review

Special manual toothbrush (self, carer or carer-assisted brushing) vs Manual toothbrush

Plaque · Children and adults with mixed levels of ID; setting home, residential, day care, school, mixed or not specified

It is very uncertain whether special manual toothbrush (self, carer or carer-assisted brushing) changes plaque (short term) compared with conventional manual toothbrush (self, carer or carer-assisted… (very low certainty).

2 findings from 1 review

Special manual toothbrush (self, carer or carer-assisted brushing) vs Manual toothbrush

Gingivitis · Children and adults with mixed levels of ID; setting home, residential, day care, school, mixed or not specified

Special manual toothbrush (self, carer or carer-assisted brushing) showed no clear difference in gingival inflammation (short term) compared with conventional manual toothbrush (self, carer or carer-assisted… (low certainty).

1 finding from 1 review

1700 to 2200 ppm F toothpaste vs 1450 to 1500 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)

1700 to 2200 ppm F toothpaste showed no clear difference in caries increment, tooth index D(M)FT compared with 1450 to 1500 ppm F toothpaste (low certainty).

1 finding from 1 review

Acupressure at P6 point with thumb 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

Chlorhexidine + zinc acetate mouthwash vs Placebo mouthwash

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 chlorhexidine + zinc acetate mouthwash changes dentist-reported organoleptic test (OLT) score (scale 0 to 5) compared with placebo mouthwash (very low certainty).

1 finding from 1 review

Systemic antibiotic (oral penicillin 500 mg) plus analgesic vs Placebo plus analgesic

Total number of paracetamol (acetaminophen) with codeine (Tylenol) tablets · Adults over 18 years presenting with a single tooth with a clinical diagnosis of irreversible pulpitis

Systemic antibiotic (oral penicillin 500 mg) plus analgesic showed no clear difference in total number of paracetamol (acetaminophen) with codeine (Tylenol)… compared with placebo plus analgesic (low certainty).

1 finding from 1 review