Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

15 questions · 16 findings · 7 reviews · Oral medicine and oral cancer

No studies found 0 · 0%GRADE not reported 14 · 87.5%Very low 1 · 6.3%Low 1 · 6.3%Moderate 0 · 0%High 0 · 0%

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

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
    Patil 2017 reported burning mucosa and drying of mouth in a few subjects using the control drug (chlorhexidine) and no adverse effects were reported in the intervention group (G32 tablets).
    1 study · 40 participants
    GRADE not reported

Zinc vs placebo

Adverse events · Patients with taste disturbances (dysgeusia/hypogeusia; idiopathic, zinc-deficient, or secondary to chronic renal failure)

It is very uncertain whether zinc supplements (zinc sulphate, zinc gluconate, zinc picolinate,… changes adverse events compared with placebo (very low certainty).

1 finding from 1 review

Elective radical (comprehensive) neck dissection vs Elective selective neck dissection

Adverse events associated with treatment · Adults with oral cavity cancer
1 finding from 1 review

Keratinocyte growth factor (KGF; palifermin or repifermin), intravenous vs placebo

Adverse events · Adults with cancer receiving treatment
1 finding from 1 review

Oral cryotherapy (ice chips, ice-cold water, ice cubes or crushed ice held in the mouth during cancer treatment) vs no intervention or control intervention (control)

Adverse events · All patients with cancer who are receiving treatment
2 findings from 1 review

Amifostine vs no treatment/placebo

Adverse effects (other reported events) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Pilocarpine vs no treatment/placebo

Adverse effects (other reported events) · Patients receiving radiotherapy on its own or in addition to chemotherapy to the head and neck region
1 finding from 1 review

Antifungal drugs absorbed from GI tract (fluconazole, ketoconazole, itraconazole) vs placebo or no treatment

Toxicity (adverse events probably due to drug) · Patients with cancer receiving chemotherapy and/or radiotherapy

Antifungal drugs absorbed from GI tract (fluconazole, ketoconazole,… showed no clear difference in toxicity (adverse events probably due to drug) compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Antifungal drugs absorbed from GI tract (fluconazole, ketoconazole, itraconazole) vs Antifungal drugs not absorbed from GI tract

Toxicity (adverse events probably due to drug) · Patients with cancer receiving chemotherapy and/or radiotherapy

Antifungal drugs absorbed from GI tract showed no clear difference in toxicity (adverse events probably due to drug) compared with antifungal drugs not absorbed from GI tract; GRADE not reported.

1 finding from 1 review