Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,348 questions · 1,514 findings · 111 reviews · All outcomes

No studies found 287 · 19%GRADE not reported 823 · 54.4%Very low 243 · 16.1%Low 104 · 6.9%Moderate 49 · 3.2%High 8 · 0.5%

0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs placebo

Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    2 weeks
    Winkel 2003 (2-week trial): mean change (SD) in organoleptic score (scale 0 to 5). 0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate: -1.13 (1.1), baseline 2.8 (0.5) to 1.5 (1.0) at day 14, P <…
    1 study · 40 participants
    GRADE not reported

0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs placebo

Volatile sulphur compounds (VSC), gas chromatography · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    2 weeks
    Winkel 2003: mean change (SD) in peak VSC (ppb). Mouthrinse: -120 (92), baseline 292 (141) to 172 (104) at day 14, P < 0.005; Placebo: 8 (145), baseline 352 (161) to 360 (254). The mouthrinse caused a significantly…
    1 study · 40 participants
    GRADE not reported

Cetylpyridinium chloride + essential oils + chlorine dioxide + zinc mouthrinse (Breath Rx) vs placebo

Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    4 weeks
    Borden 2002: mean change in organoleptic score (scale 0 to 5). Breath Rx (cetylpyridinium chloride + essential oils + chlorine dioxide + zinc): -0.52 at 2 weeks, -0.41 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4…
    1 study
    GRADE not reported

Chlorine dioxide + zinc mouthwash vs placebo

Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    4 weeks
    Borden 2002: mean change in organoleptic score (scale 0 to 5). Oxygene (chlorine dioxide + zinc): 0 at 2 weeks, 0.06 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4 weeks. Oxygene did not appear to reduce organoleptic…
    1 study
    GRADE not reported

Systemic oral acyclovir vs placebo or no treatment

Number of individuals with eating difficulties (8 days after administration); duration of eating difficulties · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir led to lower number of individuals with eating difficulties (8 days after… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

0.05% chlorhexidine + 0.05% cetylpyridinium chloride + 0.14% zinc lactate mouthrinse vs placebo

Adverse events (tongue and tooth staining) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    2 weeks
    Winkel 2003: significantly more tongue staining (P < 0.001) and tooth staining (P < 0.002) were noted with the chlorhexidine + cetylpyridinium chloride + zinc lactate mouthrinse than with placebo.
    1 study · 40 participants
    GRADE not reported

Essential oil mouthwash vs placebo

Organoleptic assessment of halitosis (mean change from baseline) · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    4 weeks
    Borden 2002: mean change in organoleptic score (scale 0 to 5). Essential oils (Listerine): 0.02 at 2 weeks, 0 at 4 weeks; Placebo: 0.23 at 2 weeks, 0.16 at 4 weeks. Listerine did not reduce organoleptic scores. No…
    1 study
    GRADE not reported

Systemic oral acyclovir vs placebo or no treatment

Difficulty in drinking (number with drinking difficulties) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir led to lower number of individuals with drinking difficulties (8 days after… compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Systemic oral acyclovir vs placebo or no treatment

Number of individuals admitted to hospital after administration · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)

Systemic oral acyclovir showed no clear difference in number of individuals admitted to hospital after administration compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Essential oil mouthwash vs placebo

Volatile sulphur compounds (VSC), halimeter · Adults over 18 years with a clinical or self-assessed diagnosis of halitosis, without significant comorbidity (e.g. diabetes) or…
1 finding from 1 review
  • Mouthrinses for the treatment of halitosis 2008 · Cochrane All outcomes
    4 weeks
    Borden 2002: mean change in halimeter-assessed VSC (ppb). Essential oils (Listerine): -43.22 at 2 weeks (48.54% reduction), -68.90 at 4 weeks (77.39% reduction); Placebo: -39.86 at 2 weeks (45.25%), -36.77 at 4 weeks…
    1 study
    GRADE not reported

Systemic oral acyclovir vs placebo or no treatment

Duration of fever · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)
1 finding from 1 review
  • Amir 1997b: fever disappeared significantly earlier with acyclovir (median 1 day) than placebo (median 3 days); difference in median (95% CI): From 72: 1 (0.0 to 2.0); From 61: 2 (0.8 to 3.2); reported as median, not…
    2 studies
    GRADE not reported

Systemic oral acyclovir vs placebo or no treatment

Patient or parental satisfaction (tolerance and acceptability of drug) · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)
1 finding from 1 review
  • Amir 1997b: no data available. Ducoulombier 1988: tolerance and acceptability of the drug was described as satisfactory, but it was unclear how this was assessed by the trialists.
    1 study
    GRADE not reported

Systemic oral acyclovir vs placebo or no treatment

Adverse effects · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)
1 finding from 1 review
  • Amir 1997b: two children in each group (2 vs 2) had mild gastrointestinal symptoms that resolved spontaneously after 24 to 48 hours without a change in study treatment. Ducoulombier 1988: no significant adverse effects…
    2 studies
    GRADE not reported

Occlusal intervention as an adjunct to periodontal therapy vs Sham (placebo) occlusal intervention as an adjunct to periodontal therapy

Outcome not reported · Adults (aged 18 years or older) with a clinical diagnosis of (chronic) periodontitis

The review found no eligible studies for this question.

1 finding from 1 review

Systemic oral acyclovir vs placebo or no treatment

Mean time to resolution of pain · Children and young adults under 25 years with primary herpetic gingivostomatitis (with or without herpes labialis)
1 finding from 1 review
  • Amir 1997b: no data available. Ducoulombier 1988: time to resolution of pain, acyclovir (1 day=1, 2 days=1, 3 days=3, 4 days=3, 5 days=1, persistent=0) vs placebo (1 day=0, 2 days=0, 3 days=1, 4 days=2, 5 days=4,…
    1 study · 18 participants
    GRADE not reported

Antifungal drugs partially absorbed from GI tract (miconazole, clotrimazole) vs placebo or no treatment

Systemic fungal infection · Patients with cancer receiving chemotherapy and/or radiotherapy

Antifungal drugs partially absorbed from GI tract (miconazole,… showed no clear difference in systemic fungal infection compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

Antifungal drugs not absorbed from GI tract vs placebo or no treatment

Oral candidiasis (present) · Patients with cancer receiving chemotherapy and/or radiotherapy

Antifungal drugs not absorbed from GI tract showed no clear difference in oral candidiasis (present) compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review

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

Systemic fungal infection · Patients with cancer receiving chemotherapy and/or radiotherapy

Antifungal drugs absorbed from GI tract (fluconazole, ketoconazole,… showed no clear difference in systemic fungal infection compared with placebo or no treatment; GRADE not reported.

1 finding from 1 review