evidencegaps
Search

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

741 questions · 808 findings · 27 reviews · Oral medicine and oral cancer · related questions CL0289

Sort:Best matchNewestHighest certaintyDownload CSV
No studies found 95 · 11.8%GRADE not reported 498 · 61.6%Very low 134 · 16.6%Low 53 · 6.6%Moderate 27 · 3.3%High 1 · 0.1%

Tongue scraping (mechanical tongue cleaning) vs Mouthwash or other chemical intervention

Outcome not reported · Adults (over 18 years) with a clinical or self-assessed diagnosis of halitosis

The review found no eligible studies for this question.

1 finding from 1 review
  • Tongue scraping for treating halitosis 2006 · Cochrane All outcomes
    Minimum 4 weeks (planned)
    No randomized controlled trials comparing mechanical tongue cleaning with mouthwashes were identified; the review notes "the somewhat unexpected lack of randomized controlled trials comparing the effectiveness of…
    0 studies
    No studies found