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Evidence found and GRADE certainty

3,032 questions · 3,358 findings · 190 reviews · related questions CL0289

No studies found 599 · 17.8%GRADE not reported 1,759 · 52.4%Very low 612 · 18.2%Low 269 · 8%Moderate 107 · 3.2%High 12 · 0.4%

The wand (computer-controlled LA delivery system) vs Sleeper One (electronic LA delivery system)

Adverse effects: pain on injection (solution deposition), Heft-Parker VAS 0-170 mm · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

The wand (computer-controlled LA delivery system) showed no clear difference in pain on injection (self-reported; FACES Pain Scale Revised) compared with sleeper One (electronic LA delivery system); GRADE not reported.

1 finding from 1 review

Piezoelectric bone removal vs Conventional rotary handpiece

Trismus / maximum mouth opening (mean) · Adults with mandibular third molars requiring removal

Piezoelectric bone removal led to higher trismus / maximum mouth opening (mean) compared with conventional rotary handpiece; GRADE not reported.

1 finding from 1 review

Autologous platelet concentrate (PRP/PRF) in socket vs No blood product (conventional)

Postoperative pain (mean) · Adults with mandibular third molars requiring removal

Autologous platelet concentrate (PRP/PRF) in socket showed no clear difference in postoperative pain (mean) compared with no blood product (conventional); GRADE not reported.

1 finding from 1 review

The wand (computer-controlled LA delivery system) vs other local anaesthetic

Completion of dental treatment · Children and adolescents having dental treatment under local anaesthetic without general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

High-volume evacuation (HVE) vs Conventional dental suction (low-volume evacuator / saliva ejector)

Reduction in level of contamination in aerosols (CFU) during ultrasonic scaling at 150 cm from mouth · People undergoing aerosol-generating procedures (AGPs) in a dental setting

It is very uncertain whether high-volume evacuation (HVE) changes reduction in level of contamination in aerosols (CFU) during… compared with conventional dental suction (low-volume evacuator / saliva ejector) (very low certainty).

1 finding from 1 review

Clobetasol propionate ointment vs Triamcinolone acetonide ointment

Clinical resolution · People with symptomatic, biopsy-confirmed oral lichen planus (OLP); not concurrently receiving other OLP treatment

Clobetasol propionate ointment may leads to higher clinical resolution compared with triamcinolone acetonide ointment (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

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

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

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

Miswak (Salvadora persica) stick vs Chlorhexidine 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…

Miswak (Salvadora persica) stick led to lower volatile sulphur compounds (VSC) compared with chlorhexidine mouthwash; GRADE not reported.

1 finding 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

Topical G32 (ayurvedic preparation) vs Chlorhexidine, 0.2% to 2% (solution or gel)

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…

Topical G32 (ayurvedic preparation) showed no clear difference in volatile sulphur compounds (VSC) compared with chlorhexidine digluconate 1% gel; GRADE not reported.

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

Sesame oil vs Chlorhexidine mouthwash

OLT score and patient self-assessment (BANA test) · 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
    Asokan 2011 (2-arm trial) compared sesame oil versus chlorhexidine 0.2% mouthwash (OLT and BANA test). We could not include the results in the meta-analysis because they did not report post-intervention OLT score and P…
    1 study
    GRADE not reported