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Evidence found and GRADE certainty

1,183 questions · 1,283 findings · 30 reviews · Oral medicine and oral cancer

No studies found 164 · 12.8%GRADE not reported 802 · 62.5%Very low 209 · 16.3%Low 71 · 5.5%Moderate 36 · 2.8%High 1 · 0.1%

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

Zinc chloride + sodium chlorite mouthrinse (TriOral) vs Control mouthrinse (containing neither zinc chloride nor sodium chlorite)

Organoleptic assessment (indirect surrogate salivary organoleptic score) · 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
    Codipilly 2004: only indirect surrogate salivary organoleptic scores were reported (not organoleptic breath scores); no accurate deductions could be made from the reported values.
    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

Zinc chloride without sodium chlorite mouthrinse (Breath Rx containing cetylpyridinium chloride) vs Control mouthrinse (containing neither zinc chloride nor sodium chlorite)

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
    Codipilly 2004: reported VSC reduction from baseline for zinc chloride minus sodium chlorite (Breath Rx containing cetylpyridinium chloride): 38% (P < 0.05) at 2 weeks, versus a control containing neither zinc chloride…
    1 study
    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

Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty)

Adverse effect: failure of muscle fusion in the region of the cleft after surgery · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic submucous cleft palate
1 finding from 1 review

Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty)

Adverse effect: unacceptable nasal resonance after repair · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic submucous cleft palate

The review found no eligible studies for this question.

1 finding from 1 review

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

Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty)

Adverse effect: obstructive sleep apnoea or airway compromise · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic submucous cleft palate
1 finding from 1 review

Minimal incision palatopharyngoplasty (MIPP) vs MIPP with additional individualised velopharyngeal surgery (pharyngeal flap or sphincter pharyngoplasty)

Perceptual speech assessment: residual post-operative velopharyngeal insufficiency · Children or adolescents aged 3 years or older with velopharyngeal insufficiency (VPI) associated with non-syndromic submucous cleft palate
1 finding from 1 review
  • Interventions for the management of submucous cleft palate 2008 · Cochrane All outcomes
    3 months post-operatively
    Five (14%) of the participants in group 1 (MIPP) and four (11%) in group 2 had residual post-operative velopharyngeal insufficiency, P > 0.05. The report provided no details on post-operative speech assessment other…
    1 study · 72 participants
    GRADE not reported

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